21715564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2333}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 41171760

約数和(自身を除く): 19456196

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2327, 2333, 4654, 4666, 9308, 9332, 30329, 60658, 121316, 417607, 835214, 1670428, 5428891, 10857782, 21715564]

約数ペア:

[(1, 21715564), (2, 10857782), (4, 5428891), (13, 1670428), (26, 835214), (52, 417607), (179, 121316), (358, 60658), (716, 30329), (2327, 9332), (2333, 9308), (4654, 4666)]