21618254

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90833}}^1$

素因数の和:90859

約数の個数: 16

約数和(自身を含む): 39240288

約数和(自身を除く): 17622034

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90833, 181666, 635831, 1271662, 1544161, 3088322, 10809127, 21618254]

約数ペア:

[(1, 21618254), (2, 10809127), (7, 3088322), (14, 1544161), (17, 1271662), (34, 635831), (119, 181666), (238, 90833)]