21435844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7331}}^1$

素因数の和:7395

約数の個数: 24

約数和(自身を含む): 40648608

約数和(自身を除く): 19212764

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7331, 14662, 29324, 124627, 249254, 315233, 498508, 630466, 1260932, 5358961, 10717922, 21435844]

約数ペア:

[(1, 21435844), (2, 10717922), (4, 5358961), (17, 1260932), (34, 630466), (43, 498508), (68, 315233), (86, 249254), (172, 124627), (731, 29324), (1462, 14662), (2924, 7331)]