21420333

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3547}}^1$

素因数の和:3625

約数の個数: 24

約数和(自身を含む): 34316256

約数和(自身を除く): 12895923

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 3547, 6039, 10641, 31923, 39017, 117051, 216367, 351153, 649101, 1947303, 2380037, 7140111, 21420333]

約数ペア:

[(1, 21420333), (3, 7140111), (9, 2380037), (11, 1947303), (33, 649101), (61, 351153), (99, 216367), (183, 117051), (549, 39017), (671, 31923), (2013, 10641), (3547, 6039)]