21534218

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1189

約数の個数: 16

約数和(自身を含む): 33094656

約数和(自身を除く): 11560438

約数列:

[1, 2, 53, 106, 223, 446, 911, 1822, 11819, 23638, 48283, 96566, 203153, 406306, 10767109, 21534218]

約数ペア:

[(1, 21534218), (2, 10767109), (53, 406306), (106, 203153), (223, 96566), (446, 48283), (911, 23638), (1822, 11819)]