21571680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3488

約数の個数: 96

約数和(自身を含む): 73198944

約数和(自身を除く): 51627264

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3457, 6240, 6914, 10371, 13828, 17285, 20742, 27656, 34570, 41484, 44941, 51855, 55312, 69140, 82968, 89882, 103710, 110624, 134823, 138280, 165936, 179764, 207420, 224705, 269646, 276560, 331872, 359528, 414840, 449410, 539292, 553120, 674115, 719056, 829680, 898820, 1078584, 1348230, 1438112, 1659360, 1797640, 2157168, 2696460, 3595280, 4314336, 5392920, 7190560, 10785840, 21571680]

約数ペア:

[(1, 21571680), (2, 10785840), (3, 7190560), (4, 5392920), (5, 4314336), (6, 3595280), (8, 2696460), (10, 2157168), (12, 1797640), (13, 1659360), (15, 1438112), (16, 1348230), (20, 1078584), (24, 898820), (26, 829680), (30, 719056), (32, 674115), (39, 553120), (40, 539292), (48, 449410), (52, 414840), (60, 359528), (65, 331872), (78, 276560), (80, 269646), (96, 224705), (104, 207420), (120, 179764), (130, 165936), (156, 138280), (160, 134823), (195, 110624), (208, 103710), (240, 89882), (260, 82968), (312, 69140), (390, 55312), (416, 51855), (480, 44941), (520, 41484), (624, 34570), (780, 27656), (1040, 20742), (1248, 17285), (1560, 13828), (2080, 10371), (3120, 6914), (3457, 6240)]