21581352

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23057}}^1$

素因数の和:23082

約数の個数: 48

約数和(自身を含む): 62948340

約数和(自身を除く): 41366988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23057, 46114, 69171, 92228, 138342, 184456, 207513, 276684, 299741, 415026, 553368, 599482, 830052, 899223, 1198964, 1660104, 1798446, 2397928, 2697669, 3596892, 5395338, 7193784, 10790676, 21581352]

約数ペア:

[(1, 21581352), (2, 10790676), (3, 7193784), (4, 5395338), (6, 3596892), (8, 2697669), (9, 2397928), (12, 1798446), (13, 1660104), (18, 1198964), (24, 899223), (26, 830052), (36, 599482), (39, 553368), (52, 415026), (72, 299741), (78, 276684), (104, 207513), (117, 184456), (156, 138342), (234, 92228), (312, 69171), (468, 46114), (936, 23057)]