21726032

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 43497216

約数和(自身を除く): 21771184

約数列:

[1, 2, 4, 8, 16, 47, 94, 167, 173, 188, 334, 346, 376, 668, 692, 752, 1336, 1384, 2672, 2768, 7849, 8131, 15698, 16262, 28891, 31396, 32524, 57782, 62792, 65048, 115564, 125584, 130096, 231128, 462256, 1357877, 2715754, 5431508, 10863016, 21726032]

約数ペア:

[(1, 21726032), (2, 10863016), (4, 5431508), (8, 2715754), (16, 1357877), (47, 462256), (94, 231128), (167, 130096), (173, 125584), (188, 115564), (334, 65048), (346, 62792), (376, 57782), (668, 32524), (692, 31396), (752, 28891), (1336, 16262), (1384, 15698), (2672, 8131), (2768, 7849)]