12621567

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4519}}^1$

素因数の和:4555

約数の個数: 24

約数和(自身を含む): 20611200

約数和(自身を除く): 7989633

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4519, 13557, 31633, 85861, 94899, 221431, 257583, 601027, 664293, 1803081, 4207189, 12621567]

約数ペア:

[(1, 12621567), (3, 4207189), (7, 1803081), (19, 664293), (21, 601027), (49, 257583), (57, 221431), (133, 94899), (147, 85861), (399, 31633), (931, 13557), (2793, 4519)]