21054068

素因数分解:

$2^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2657}}^1$

素因数の和:2951

約数の個数: 24

約数和(自身を含む): 42272832

約数和(自身を除く): 21218764

約数列:

[1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 2657, 3962, 5314, 7924, 10628, 18599, 37198, 74396, 751931, 1503862, 3007724, 5263517, 10527034, 21054068]

約数ペア:

[(1, 21054068), (2, 10527034), (4, 5263517), (7, 3007724), (14, 1503862), (28, 751931), (283, 74396), (566, 37198), (1132, 18599), (1981, 10628), (2657, 7924), (3962, 5314)]