21167690

素因数分解:

$2^1\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{1471}}^1$

素因数の和:2917

約数の個数: 16

約数和(自身を含む): 38154240

約数和(自身を除く): 16986550

約数列:

[1, 2, 5, 10, 1439, 1471, 2878, 2942, 7195, 7355, 14390, 14710, 2116769, 4233538, 10583845, 21167690]

約数ペア:

[(1, 21167690), (2, 10583845), (5, 4233538), (10, 2116769), (1439, 14710), (1471, 14390), (2878, 7355), (2942, 7195)]