21907468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11579}}^1$

素因数の和:11637

約数の個数: 24

約数和(自身を含む): 42799680

約数和(自身を除く): 20892212

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11579, 23158, 46316, 127369, 254738, 497897, 509476, 995794, 1991588, 5476867, 10953734, 21907468]

約数ペア:

[(1, 21907468), (2, 10953734), (4, 5476867), (11, 1991588), (22, 995794), (43, 509476), (44, 497897), (86, 254738), (172, 127369), (473, 46316), (946, 23158), (1892, 11579)]