21478734

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 50263200

約数和(自身を除く): 28784466

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 87, 138, 174, 207, 261, 414, 522, 667, 1334, 1789, 2001, 3578, 4002, 5367, 6003, 10734, 12006, 16101, 32202, 41147, 51881, 82294, 103762, 123441, 155643, 246882, 311286, 370323, 466929, 740646, 933858, 1193263, 2386526, 3579789, 7159578, 10739367, 21478734]

約数ペア:

[(1, 21478734), (2, 10739367), (3, 7159578), (6, 3579789), (9, 2386526), (18, 1193263), (23, 933858), (29, 740646), (46, 466929), (58, 370323), (69, 311286), (87, 246882), (138, 155643), (174, 123441), (207, 103762), (261, 82294), (414, 51881), (522, 41147), (667, 32202), (1334, 16101), (1789, 12006), (2001, 10734), (3578, 6003), (4002, 5367)]