21016331

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 24660480

約数和(自身を除く): 3644149

約数列:

[1, 7, 59, 151, 337, 413, 1057, 2359, 8909, 19883, 50887, 62363, 139181, 356209, 3002333, 21016331]

約数ペア:

[(1, 21016331), (7, 3002333), (59, 356209), (151, 139181), (337, 62363), (413, 50887), (1057, 19883), (2359, 8909)]