21708848

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{811}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 48330240

約数和(自身を除く): 26621392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 811, 956, 1622, 1673, 1912, 3244, 3346, 3824, 5677, 6488, 6692, 11354, 12976, 13384, 22708, 26768, 45416, 90832, 193829, 387658, 775316, 1356803, 1550632, 2713606, 3101264, 5427212, 10854424, 21708848]

約数ペア:

[(1, 21708848), (2, 10854424), (4, 5427212), (7, 3101264), (8, 2713606), (14, 1550632), (16, 1356803), (28, 775316), (56, 387658), (112, 193829), (239, 90832), (478, 45416), (811, 26768), (956, 22708), (1622, 13384), (1673, 12976), (1912, 11354), (3244, 6692), (3346, 6488), (3824, 5677)]