21529624

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86813}}^1$

素因数の和:86850

約数の個数: 16

約数和(自身を含む): 41670720

約数和(自身を除く): 20141096

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86813, 173626, 347252, 694504, 2691203, 5382406, 10764812, 21529624]

約数ペア:

[(1, 21529624), (2, 10764812), (4, 5382406), (8, 2691203), (31, 694504), (62, 347252), (124, 173626), (248, 86813)]