21245644

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3023}}^1$

素因数の和:3285

約数の個数: 24

約数和(自身を含む): 42674688

約数和(自身を除く): 21429044

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3023, 3514, 6046, 7028, 12092, 21161, 42322, 84644, 758773, 1517546, 3035092, 5311411, 10622822, 21245644]

約数ペア:

[(1, 21245644), (2, 10622822), (4, 5311411), (7, 3035092), (14, 1517546), (28, 758773), (251, 84644), (502, 42322), (1004, 21161), (1757, 12092), (3023, 7028), (3514, 6046)]