21847020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 67747008

約数和(自身を除く): 45899988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 740, 757, 780, 962, 1110, 1443, 1514, 1924, 2220, 2271, 2405, 2886, 3028, 3785, 4542, 4810, 5772, 7215, 7570, 9084, 9620, 9841, 11355, 14430, 15140, 19682, 22710, 28009, 28860, 29523, 39364, 45420, 49205, 56018, 59046, 84027, 98410, 112036, 118092, 140045, 147615, 168054, 196820, 280090, 295230, 336108, 364117, 420135, 560180, 590460, 728234, 840270, 1092351, 1456468, 1680540, 1820585, 2184702, 3641170, 4369404, 5461755, 7282340, 10923510, 21847020]

約数ペア:

[(1, 21847020), (2, 10923510), (3, 7282340), (4, 5461755), (5, 4369404), (6, 3641170), (10, 2184702), (12, 1820585), (13, 1680540), (15, 1456468), (20, 1092351), (26, 840270), (30, 728234), (37, 590460), (39, 560180), (52, 420135), (60, 364117), (65, 336108), (74, 295230), (78, 280090), (111, 196820), (130, 168054), (148, 147615), (156, 140045), (185, 118092), (195, 112036), (222, 98410), (260, 84027), (370, 59046), (390, 56018), (444, 49205), (481, 45420), (555, 39364), (740, 29523), (757, 28860), (780, 28009), (962, 22710), (1110, 19682), (1443, 15140), (1514, 14430), (1924, 11355), (2220, 9841), (2271, 9620), (2405, 9084), (2886, 7570), (3028, 7215), (3785, 5772), (4542, 4810)]