21620572

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{373}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 38934896

約数和(自身を除く): 17314324

約数列:

[1, 2, 4, 43, 86, 172, 337, 373, 674, 746, 1348, 1492, 14491, 16039, 28982, 32078, 57964, 64156, 125701, 251402, 502804, 5405143, 10810286, 21620572]

約数ペア:

[(1, 21620572), (2, 10810286), (4, 5405143), (43, 502804), (86, 251402), (172, 125701), (337, 64156), (373, 57964), (674, 32078), (746, 28982), (1348, 16039), (1492, 14491)]