21580066

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{719}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 11683934

約数列:

[1, 2, 43, 86, 349, 698, 719, 1438, 15007, 30014, 30917, 61834, 250931, 501862, 10790033, 21580066]

約数ペア:

[(1, 21580066), (2, 10790033), (43, 501862), (86, 250931), (349, 61834), (698, 30917), (719, 30014), (1438, 15007)]