21630968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1409}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 43146000

約数和(自身を除く): 21515032

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1409, 1919, 2818, 3838, 5636, 7676, 11272, 15352, 26771, 53542, 107084, 142309, 214168, 284618, 569236, 1138472, 2703871, 5407742, 10815484, 21630968]

約数ペア:

[(1, 21630968), (2, 10815484), (4, 5407742), (8, 2703871), (19, 1138472), (38, 569236), (76, 284618), (101, 214168), (152, 142309), (202, 107084), (404, 53542), (808, 26771), (1409, 15352), (1919, 11272), (2818, 7676), (3838, 5636)]