21269538

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{10457}}^1$

素因数の和:10578

約数の個数: 24

約数和(自身を含む): 46496268

約数和(自身を除く): 25226730

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 10457, 20914, 31371, 62742, 94113, 188226, 1181641, 2363282, 3544923, 7089846, 10634769, 21269538]

約数ペア:

[(1, 21269538), (2, 10634769), (3, 7089846), (6, 3544923), (9, 2363282), (18, 1181641), (113, 188226), (226, 94113), (339, 62742), (678, 31371), (1017, 20914), (2034, 10457)]