21726768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64663}}^1$

素因数の和:64681

約数の個数: 40

約数和(自身を含む): 64146688

約数和(自身を除く): 42419920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64663, 129326, 193989, 258652, 387978, 452641, 517304, 775956, 905282, 1034608, 1357923, 1551912, 1810564, 2715846, 3103824, 3621128, 5431692, 7242256, 10863384, 21726768]

約数ペア:

[(1, 21726768), (2, 10863384), (3, 7242256), (4, 5431692), (6, 3621128), (7, 3103824), (8, 2715846), (12, 1810564), (14, 1551912), (16, 1357923), (21, 1034608), (24, 905282), (28, 775956), (42, 517304), (48, 452641), (56, 387978), (84, 258652), (112, 193989), (168, 129326), (336, 64663)]