21219892

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{877}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 38941056

約数和(自身を除く): 17721164

約数列:

[1, 2, 4, 23, 46, 92, 263, 526, 877, 1052, 1754, 3508, 6049, 12098, 20171, 24196, 40342, 80684, 230651, 461302, 922604, 5304973, 10609946, 21219892]

約数ペア:

[(1, 21219892), (2, 10609946), (4, 5304973), (23, 922604), (46, 461302), (92, 230651), (263, 80684), (526, 40342), (877, 24196), (1052, 20171), (1754, 12098), (3508, 6049)]