21459436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{757}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 39688880

約数和(自身を除く): 18229444

約数列:

[1, 2, 4, 19, 38, 76, 373, 746, 757, 1492, 1514, 3028, 7087, 14174, 14383, 28348, 28766, 57532, 282361, 564722, 1129444, 5364859, 10729718, 21459436]

約数ペア:

[(1, 21459436), (2, 10729718), (4, 5364859), (19, 1129444), (38, 564722), (76, 282361), (373, 57532), (746, 28766), (757, 28348), (1492, 14383), (1514, 14174), (3028, 7087)]