21391676

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{6359}}^1$

素因数の和:6421

約数の個数: 18

約数和(自身を含む): 38776920

約数和(自身を除く): 17385244

約数列:

[1, 2, 4, 29, 58, 116, 841, 1682, 3364, 6359, 12718, 25436, 184411, 368822, 737644, 5347919, 10695838, 21391676]

約数ペア:

[(1, 21391676), (2, 10695838), (4, 5347919), (29, 737644), (58, 368822), (116, 184411), (841, 25436), (1682, 12718), (3364, 6359)]