21259692

素因数分解:

$2^2\times 3^3\times {\mathrm{101}}^1\times {\mathrm{1949}}^1$

素因数の和:2063

約数の個数: 48

約数和(自身を含む): 55692000

約数和(自身を除く): 34432308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 101, 108, 202, 303, 404, 606, 909, 1212, 1818, 1949, 2727, 3636, 3898, 5454, 5847, 7796, 10908, 11694, 17541, 23388, 35082, 52623, 70164, 105246, 196849, 210492, 393698, 590547, 787396, 1181094, 1771641, 2362188, 3543282, 5314923, 7086564, 10629846, 21259692]

約数ペア:

[(1, 21259692), (2, 10629846), (3, 7086564), (4, 5314923), (6, 3543282), (9, 2362188), (12, 1771641), (18, 1181094), (27, 787396), (36, 590547), (54, 393698), (101, 210492), (108, 196849), (202, 105246), (303, 70164), (404, 52623), (606, 35082), (909, 23388), (1212, 17541), (1818, 11694), (1949, 10908), (2727, 7796), (3636, 5847), (3898, 5454)]