21927881

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 24268800

約数和(自身を除く): 2340919

約数列:

[1, 19, 31, 59, 589, 631, 1121, 1829, 11989, 19561, 34751, 37229, 371659, 707351, 1154099, 21927881]

約数ペア:

[(1, 21927881), (19, 1154099), (31, 707351), (59, 371659), (589, 37229), (631, 34751), (1121, 19561), (1829, 11989)]