21486568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141359}}^1$

素因数の和:141384

約数の個数: 16

約数和(自身を含む): 42408000

約数和(自身を除く): 20921432

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141359, 282718, 565436, 1130872, 2685821, 5371642, 10743284, 21486568]

約数ペア:

[(1, 21486568), (2, 10743284), (4, 5371642), (8, 2685821), (19, 1130872), (38, 565436), (76, 282718), (152, 141359)]