21450928

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5563}}^1$

素因数の和:5812

約数の個数: 20

約数和(自身を含む): 41741128

約数和(自身を除く): 20290200

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5563, 11126, 22252, 44504, 89008, 1340683, 2681366, 5362732, 10725464, 21450928]

約数ペア:

[(1, 21450928), (2, 10725464), (4, 5362732), (8, 2681366), (16, 1340683), (241, 89008), (482, 44504), (964, 22252), (1928, 11126), (3856, 5563)]