21850493

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 25745280

約数和(自身を除く): 3894787

約数列:

[1, 7, 43, 229, 301, 317, 1603, 2219, 9847, 13631, 68929, 72593, 95417, 508151, 3121499, 21850493]

約数ペア:

[(1, 21850493), (7, 3121499), (43, 508151), (229, 95417), (301, 72593), (317, 68929), (1603, 13631), (2219, 9847)]