21290224

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14951}}^1$

素因数の和:15048

約数の個数: 20

約数和(自身を含む): 41716080

約数和(自身を除く): 20425856

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14951, 29902, 59804, 119608, 239216, 1330639, 2661278, 5322556, 10645112, 21290224]

約数ペア:

[(1, 21290224), (2, 10645112), (4, 5322556), (8, 2661278), (16, 1330639), (89, 239216), (178, 119608), (356, 59804), (712, 29902), (1424, 14951)]