21732235

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 30656880

約数和(自身を除く): 8924645

約数列:

[1, 5, 7, 35, 49, 107, 245, 535, 749, 829, 3745, 4145, 5243, 5803, 26215, 29015, 40621, 88703, 203105, 443515, 620921, 3104605, 4346447, 21732235]

約数ペア:

[(1, 21732235), (5, 4346447), (7, 3104605), (35, 620921), (49, 443515), (107, 203105), (245, 88703), (535, 40621), (749, 29015), (829, 26215), (3745, 5803), (4145, 5243)]