21251568

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34057}}^1$

素因数の和:34081

約数の個数: 40

約数和(自身を含む): 59124688

約数和(自身を除く): 37873120

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34057, 68114, 102171, 136228, 204342, 272456, 408684, 442741, 544912, 817368, 885482, 1328223, 1634736, 1770964, 2656446, 3541928, 5312892, 7083856, 10625784, 21251568]

約数ペア:

[(1, 21251568), (2, 10625784), (3, 7083856), (4, 5312892), (6, 3541928), (8, 2656446), (12, 1770964), (13, 1634736), (16, 1328223), (24, 885482), (26, 817368), (39, 544912), (48, 442741), (52, 408684), (78, 272456), (104, 204342), (156, 136228), (208, 102171), (312, 68114), (624, 34057)]