21865852

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 39344256

約数和(自身を除く): 17478404

約数列:

[1, 2, 4, 67, 83, 134, 166, 268, 332, 983, 1966, 3932, 5561, 11122, 22244, 65861, 81589, 131722, 163178, 263444, 326356, 5466463, 10932926, 21865852]

約数ペア:

[(1, 21865852), (2, 10932926), (4, 5466463), (67, 326356), (83, 263444), (134, 163178), (166, 131722), (268, 81589), (332, 65861), (983, 22244), (1966, 11122), (3932, 5561)]