21116110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29741}}^1$

素因数の和:29819

約数の個数: 16

約数和(自身を含む): 38545632

約数和(自身を除く): 17429522

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 29741, 59482, 148705, 297410, 2111611, 4223222, 10558055, 21116110]

約数ペア:

[(1, 21116110), (2, 10558055), (5, 4223222), (10, 2111611), (71, 297410), (142, 148705), (355, 59482), (710, 29741)]