21800378

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{1459}}^1$

素因数の和:1733

約数の個数: 16

約数和(自身を含む): 33918720

約数和(自身を除く): 12118342

約数列:

[1, 2, 31, 62, 241, 482, 1459, 2918, 7471, 14942, 45229, 90458, 351619, 703238, 10900189, 21800378]

約数ペア:

[(1, 21800378), (2, 10900189), (31, 703238), (62, 351619), (241, 90458), (482, 45229), (1459, 14942), (2918, 7471)]