21691382

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1291}}^1$

素因数の和:1595

約数の個数: 16

約数和(自身を含む): 33736704

約数和(自身を除く): 12045322

約数列:

[1, 2, 31, 62, 271, 542, 1291, 2582, 8401, 16802, 40021, 80042, 349861, 699722, 10845691, 21691382]

約数ペア:

[(1, 21691382), (2, 10845691), (31, 699722), (62, 349861), (271, 80042), (542, 40021), (1291, 16802), (2582, 8401)]