21564014

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:667

約数の個数: 16

約数和(自身を含む): 32788800

約数和(自身を除く): 11224786

約数列:

[1, 2, 197, 229, 239, 394, 458, 478, 45113, 47083, 54731, 90226, 94166, 109462, 10782007, 21564014]

約数ペア:

[(1, 21564014), (2, 10782007), (197, 109462), (229, 94166), (239, 90226), (394, 54731), (458, 47083), (478, 45113)]