21995433

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 33839208

約数和(自身を除く): 11843775

約数列:

[1, 3, 9, 17, 51, 153, 233, 617, 699, 1851, 2097, 3961, 5553, 10489, 11883, 31467, 35649, 94401, 143761, 431283, 1293849, 2443937, 7331811, 21995433]

約数ペア:

[(1, 21995433), (3, 7331811), (9, 2443937), (17, 1293849), (51, 431283), (153, 143761), (233, 94401), (617, 35649), (699, 31467), (1851, 11883), (2097, 10489), (3961, 5553)]