21896400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 71406144

約数和(自身を除く): 49509744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 71, 75, 80, 100, 120, 142, 150, 200, 213, 240, 257, 284, 300, 355, 400, 426, 514, 568, 600, 710, 771, 852, 1028, 1065, 1136, 1200, 1285, 1420, 1542, 1704, 1775, 2056, 2130, 2570, 2840, 3084, 3408, 3550, 3855, 4112, 4260, 5140, 5325, 5680, 6168, 6425, 7100, 7710, 8520, 10280, 10650, 12336, 12850, 14200, 15420, 17040, 18247, 19275, 20560, 21300, 25700, 28400, 30840, 36494, 38550, 42600, 51400, 54741, 61680, 72988, 77100, 85200, 91235, 102800, 109482, 145976, 154200, 182470, 218964, 273705, 291952, 308400, 364940, 437928, 456175, 547410, 729880, 875856, 912350, 1094820, 1368525, 1459760, 1824700, 2189640, 2737050, 3649400, 4379280, 5474100, 7298800, 10948200, 21896400]

約数ペア:

[(1, 21896400), (2, 10948200), (3, 7298800), (4, 5474100), (5, 4379280), (6, 3649400), (8, 2737050), (10, 2189640), (12, 1824700), (15, 1459760), (16, 1368525), (20, 1094820), (24, 912350), (25, 875856), (30, 729880), (40, 547410), (48, 456175), (50, 437928), (60, 364940), (71, 308400), (75, 291952), (80, 273705), (100, 218964), (120, 182470), (142, 154200), (150, 145976), (200, 109482), (213, 102800), (240, 91235), (257, 85200), (284, 77100), (300, 72988), (355, 61680), (400, 54741), (426, 51400), (514, 42600), (568, 38550), (600, 36494), (710, 30840), (771, 28400), (852, 25700), (1028, 21300), (1065, 20560), (1136, 19275), (1200, 18247), (1285, 17040), (1420, 15420), (1542, 14200), (1704, 12850), (1775, 12336), (2056, 10650), (2130, 10280), (2570, 8520), (2840, 7710), (3084, 7100), (3408, 6425), (3550, 6168), (3855, 5680), (4112, 5325), (4260, 5140)]