21037571

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 1944829

約数列:

[1, 23, 37, 59, 419, 851, 1357, 2183, 9637, 15503, 24721, 50209, 356569, 568583, 914677, 21037571]

約数ペア:

[(1, 21037571), (23, 914677), (37, 568583), (59, 356569), (419, 50209), (851, 24721), (1357, 15503), (2183, 9637)]