21477120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:95

約数の個数: 288

約数和(自身を含む): 84768768

約数和(自身を除く): 63291648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 47, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 94, 96, 102, 105, 112, 119, 120, 128, 136, 140, 141, 160, 168, 170, 188, 192, 204, 210, 224, 235, 238, 240, 255, 256, 272, 280, 282, 320, 329, 336, 340, 357, 376, 384, 408, 420, 448, 470, 476, 480, 510, 544, 560, 564, 595, 640, 658, 672, 680, 705, 714, 752, 768, 799, 816, 840, 896, 940, 952, 960, 987, 1020, 1088, 1120, 1128, 1190, 1280, 1316, 1344, 1360, 1410, 1428, 1504, 1598, 1632, 1645, 1680, 1785, 1792, 1880, 1904, 1920, 1974, 2040, 2176, 2240, 2256, 2380, 2397, 2632, 2688, 2720, 2820, 2856, 3008, 3196, 3264, 3290, 3360, 3570, 3760, 3808, 3840, 3948, 3995, 4080, 4352, 4480, 4512, 4760, 4794, 4935, 5264, 5376, 5440, 5593, 5640, 5712, 6016, 6392, 6528, 6580, 6720, 7140, 7520, 7616, 7896, 7990, 8160, 8960, 9024, 9520, 9588, 9870, 10528, 10880, 11186, 11280, 11424, 11985, 12032, 12784, 13056, 13160, 13440, 14280, 15040, 15232, 15792, 15980, 16320, 16779, 18048, 19040, 19176, 19740, 21056, 21760, 22372, 22560, 22848, 23970, 25568, 26320, 26880, 27965, 28560, 30080, 30464, 31584, 31960, 32640, 33558, 36096, 38080, 38352, 39480, 42112, 44744, 45120, 45696, 47940, 51136, 52640, 55930, 57120, 60160, 63168, 63920, 65280, 67116, 76160, 76704, 78960, 83895, 84224, 89488, 90240, 91392, 95880, 102272, 105280, 111860, 114240, 126336, 127840, 134232, 152320, 153408, 157920, 167790, 178976, 180480, 191760, 204544, 210560, 223720, 228480, 252672, 255680, 268464, 306816, 315840, 335580, 357952, 383520, 421120, 447440, 456960, 511360, 536928, 613632, 631680, 671160, 715904, 767040, 894880, 1022720, 1073856, 1263360, 1342320, 1431808, 1534080, 1789760, 2147712, 2684640, 3068160, 3579520, 4295424, 5369280, 7159040, 10738560, 21477120]

約数ペア:

[(1, 21477120), (2, 10738560), (3, 7159040), (4, 5369280), (5, 4295424), (6, 3579520), (7, 3068160), (8, 2684640), (10, 2147712), (12, 1789760), (14, 1534080), (15, 1431808), (16, 1342320), (17, 1263360), (20, 1073856), (21, 1022720), (24, 894880), (28, 767040), (30, 715904), (32, 671160), (34, 631680), (35, 613632), (40, 536928), (42, 511360), (47, 456960), (48, 447440), (51, 421120), (56, 383520), (60, 357952), (64, 335580), (68, 315840), (70, 306816), (80, 268464), (84, 255680), (85, 252672), (94, 228480), (96, 223720), (102, 210560), (105, 204544), (112, 191760), (119, 180480), (120, 178976), (128, 167790), (136, 157920), (140, 153408), (141, 152320), (160, 134232), (168, 127840), (170, 126336), (188, 114240), (192, 111860), (204, 105280), (210, 102272), (224, 95880), (235, 91392), (238, 90240), (240, 89488), (255, 84224), (256, 83895), (272, 78960), (280, 76704), (282, 76160), (320, 67116), (329, 65280), (336, 63920), (340, 63168), (357, 60160), (376, 57120), (384, 55930), (408, 52640), (420, 51136), (448, 47940), (470, 45696), (476, 45120), (480, 44744), (510, 42112), (544, 39480), (560, 38352), (564, 38080), (595, 36096), (640, 33558), (658, 32640), (672, 31960), (680, 31584), (705, 30464), (714, 30080), (752, 28560), (768, 27965), (799, 26880), (816, 26320), (840, 25568), (896, 23970), (940, 22848), (952, 22560), (960, 22372), (987, 21760), (1020, 21056), (1088, 19740), (1120, 19176), (1128, 19040), (1190, 18048), (1280, 16779), (1316, 16320), (1344, 15980), (1360, 15792), (1410, 15232), (1428, 15040), (1504, 14280), (1598, 13440), (1632, 13160), (1645, 13056), (1680, 12784), (1785, 12032), (1792, 11985), (1880, 11424), (1904, 11280), (1920, 11186), (1974, 10880), (2040, 10528), (2176, 9870), (2240, 9588), (2256, 9520), (2380, 9024), (2397, 8960), (2632, 8160), (2688, 7990), (2720, 7896), (2820, 7616), (2856, 7520), (3008, 7140), (3196, 6720), (3264, 6580), (3290, 6528), (3360, 6392), (3570, 6016), (3760, 5712), (3808, 5640), (3840, 5593), (3948, 5440), (3995, 5376), (4080, 5264), (4352, 4935), (4480, 4794), (4512, 4760)]