21827402

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{719}}^1$

素因数の和:1117

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 11816758

約数列:

[1, 2, 43, 86, 353, 706, 719, 1438, 15179, 30358, 30917, 61834, 253807, 507614, 10913701, 21827402]

約数ペア:

[(1, 21827402), (2, 10913701), (43, 507614), (86, 253807), (353, 61834), (706, 30917), (719, 30358), (1438, 15179)]