21316716

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6367}}^1$

素因数の和:6411

約数の個数: 48

約数和(自身を含む): 57057280

約数和(自身を除く): 35740564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6367, 12734, 19101, 25468, 38202, 57303, 76404, 114606, 171909, 197377, 229212, 343818, 394754, 592131, 687636, 789508, 1184262, 1776393, 2368524, 3552786, 5329179, 7105572, 10658358, 21316716]

約数ペア:

[(1, 21316716), (2, 10658358), (3, 7105572), (4, 5329179), (6, 3552786), (9, 2368524), (12, 1776393), (18, 1184262), (27, 789508), (31, 687636), (36, 592131), (54, 394754), (62, 343818), (93, 229212), (108, 197377), (124, 171909), (186, 114606), (279, 76404), (372, 57303), (558, 38202), (837, 25468), (1116, 19101), (1674, 12734), (3348, 6367)]