21170291913

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2345219}}^1$

素因数の和:2345301

約数の個数: 24

約数和(自身を含む): 32926888800

約数和(自身を除く): 11756596887

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 3009, 9027, 2345219, 7035657, 21106971, 39868723, 119606169, 138367921, 358818507, 415103763, 1245311289, 2352254657, 7056763971, 21170291913]

約数ペア:

[(1, 21170291913), (3, 7056763971), (9, 2352254657), (17, 1245311289), (51, 415103763), (59, 358818507), (153, 138367921), (177, 119606169), (531, 39868723), (1003, 21106971), (3009, 7035657), (9027, 2345219)]