21225958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 35471520

約数和(自身を除く): 14245562

約数列:

[1, 2, 13, 26, 59, 101, 118, 137, 202, 274, 767, 1313, 1534, 1781, 2626, 3562, 5959, 8083, 11918, 13837, 16166, 27674, 77467, 105079, 154934, 179881, 210158, 359762, 816383, 1632766, 10612979, 21225958]

約数ペア:

[(1, 21225958), (2, 10612979), (13, 1632766), (26, 816383), (59, 359762), (101, 210158), (118, 179881), (137, 154934), (202, 105079), (274, 77467), (767, 27674), (1313, 16166), (1534, 13837), (1781, 11918), (2626, 8083), (3562, 5959)]