21885112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143981}}^1$

素因数の和:144006

約数の個数: 16

約数和(自身を含む): 43194600

約数和(自身を除く): 21309488

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143981, 287962, 575924, 1151848, 2735639, 5471278, 10942556, 21885112]

約数ペア:

[(1, 21885112), (2, 10942556), (4, 5471278), (8, 2735639), (19, 1151848), (38, 575924), (76, 287962), (152, 143981)]