21615288

素因数分解:

$2^3\times 3^1\times {\mathrm{821}}^1\times {\mathrm{1097}}^1$

素因数の和:1927

約数の個数: 32

約数和(自身を含む): 54153360

約数和(自身を除く): 32538072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 821, 1097, 1642, 2194, 2463, 3284, 3291, 4388, 4926, 6568, 6582, 8776, 9852, 13164, 19704, 26328, 900637, 1801274, 2701911, 3602548, 5403822, 7205096, 10807644, 21615288]

約数ペア:

[(1, 21615288), (2, 10807644), (3, 7205096), (4, 5403822), (6, 3602548), (8, 2701911), (12, 1801274), (24, 900637), (821, 26328), (1097, 19704), (1642, 13164), (2194, 9852), (2463, 8776), (3284, 6582), (3291, 6568), (4388, 4926)]