21959764

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{457}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 39587688

約数和(自身を除く): 17627924

約数列:

[1, 2, 4, 41, 82, 164, 293, 457, 586, 914, 1172, 1828, 12013, 18737, 24026, 37474, 48052, 74948, 133901, 267802, 535604, 5489941, 10979882, 21959764]

約数ペア:

[(1, 21959764), (2, 10979882), (4, 5489941), (41, 535604), (82, 267802), (164, 133901), (293, 74948), (457, 48052), (586, 37474), (914, 24026), (1172, 18737), (1828, 12013)]