21486491520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4507}}^1$

素因数の和:4733

約数の個数: 256

約数和(自身を含む): 74159124480

約数和(自身を除く): 52672632960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 191, 192, 195, 208, 240, 260, 312, 320, 382, 384, 390, 416, 480, 520, 573, 624, 640, 764, 780, 832, 955, 960, 1040, 1146, 1248, 1528, 1560, 1664, 1910, 1920, 2080, 2292, 2483, 2496, 2865, 3056, 3120, 3820, 4160, 4507, 4584, 4966, 4992, 5730, 6112, 6240, 7449, 7640, 8320, 9014, 9168, 9932, 11460, 12224, 12415, 12480, 13521, 14898, 15280, 18028, 18336, 19864, 22535, 22920, 24448, 24830, 24960, 27042, 29796, 30560, 36056, 36672, 37245, 39728, 45070, 45840, 49660, 54084, 58591, 59592, 61120, 67605, 72112, 73344, 74490, 79456, 90140, 91680, 99320, 108168, 117182, 119184, 122240, 135210, 144224, 148980, 158912, 175773, 180280, 183360, 198640, 216336, 234364, 238368, 270420, 288448, 292955, 297960, 317824, 351546, 360560, 366720, 397280, 432672, 468728, 476736, 540840, 576896, 585910, 595920, 703092, 721120, 794560, 860837, 865344, 878865, 937456, 953472, 1081680, 1171820, 1191840, 1406184, 1442240, 1589120, 1721674, 1730688, 1757730, 1874912, 2163360, 2343640, 2383680, 2582511, 2812368, 2884480, 3443348, 3515460, 3749824, 4304185, 4326720, 4687280, 4767360, 5165022, 5624736, 6886696, 7030920, 7499648, 8608370, 8653440, 9374560, 10330044, 11190881, 11249472, 12912555, 13773392, 14061840, 17216740, 18749120, 20660088, 22381762, 22498944, 25825110, 27546784, 28123680, 33572643, 34433480, 37498240, 41320176, 44763524, 51650220, 55093568, 55954405, 56247360, 67145286, 68866960, 82640352, 89527048, 103300440, 110187136, 111908810, 112494720, 134290572, 137733920, 165280704, 167863215, 179054096, 206600880, 223817620, 268581144, 275467840, 330561408, 335726430, 358108192, 413201760, 447635240, 537162288, 550935680, 671452860, 716216384, 826403520, 895270480, 1074324576, 1342905720, 1432432768, 1652807040, 1790540960, 2148649152, 2685811440, 3581081920, 4297298304, 5371622880, 7162163840, 10743245760, 21486491520]

約数ペア:

[(1, 21486491520), (2, 10743245760), (3, 7162163840), (4, 5371622880), (5, 4297298304), (6, 3581081920), (8, 2685811440), (10, 2148649152), (12, 1790540960), (13, 1652807040), (15, 1432432768), (16, 1342905720), (20, 1074324576), (24, 895270480), (26, 826403520), (30, 716216384), (32, 671452860), (39, 550935680), (40, 537162288), (48, 447635240), (52, 413201760), (60, 358108192), (64, 335726430), (65, 330561408), (78, 275467840), (80, 268581144), (96, 223817620), (104, 206600880), (120, 179054096), (128, 167863215), (130, 165280704), (156, 137733920), (160, 134290572), (191, 112494720), (192, 111908810), (195, 110187136), (208, 103300440), (240, 89527048), (260, 82640352), (312, 68866960), (320, 67145286), (382, 56247360), (384, 55954405), (390, 55093568), (416, 51650220), (480, 44763524), (520, 41320176), (573, 37498240), (624, 34433480), (640, 33572643), (764, 28123680), (780, 27546784), (832, 25825110), (955, 22498944), (960, 22381762), (1040, 20660088), (1146, 18749120), (1248, 17216740), (1528, 14061840), (1560, 13773392), (1664, 12912555), (1910, 11249472), (1920, 11190881), (2080, 10330044), (2292, 9374560), (2483, 8653440), (2496, 8608370), (2865, 7499648), (3056, 7030920), (3120, 6886696), (3820, 5624736), (4160, 5165022), (4507, 4767360), (4584, 4687280), (4966, 4326720), (4992, 4304185), (5730, 3749824), (6112, 3515460), (6240, 3443348), (7449, 2884480), (7640, 2812368), (8320, 2582511), (9014, 2383680), (9168, 2343640), (9932, 2163360), (11460, 1874912), (12224, 1757730), (12415, 1730688), (12480, 1721674), (13521, 1589120), (14898, 1442240), (15280, 1406184), (18028, 1191840), (18336, 1171820), (19864, 1081680), (22535, 953472), (22920, 937456), (24448, 878865), (24830, 865344), (24960, 860837), (27042, 794560), (29796, 721120), (30560, 703092), (36056, 595920), (36672, 585910), (37245, 576896), (39728, 540840), (45070, 476736), (45840, 468728), (49660, 432672), (54084, 397280), (58591, 366720), (59592, 360560), (61120, 351546), (67605, 317824), (72112, 297960), (73344, 292955), (74490, 288448), (79456, 270420), (90140, 238368), (91680, 234364), (99320, 216336), (108168, 198640), (117182, 183360), (119184, 180280), (122240, 175773), (135210, 158912), (144224, 148980)]