21554672

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43457}}^1$

素因数の和:43496

約数の個数: 20

約数和(自身を含む): 43110336

約数和(自身を除く): 21555664

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43457, 86914, 173828, 347656, 695312, 1347167, 2694334, 5388668, 10777336, 21554672]

約数ペア:

[(1, 21554672), (2, 10777336), (4, 5388668), (8, 2694334), (16, 1347167), (31, 695312), (62, 347656), (124, 173828), (248, 86914), (496, 43457)]