21532790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1888

約数の個数: 32

約数和(自身を含む): 41096160

約数和(自身を除く): 19563370

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 1811, 2378, 3622, 5945, 9055, 11890, 18110, 52519, 74251, 105038, 148502, 262595, 371255, 525190, 742510, 2153279, 4306558, 10766395, 21532790]

約数ペア:

[(1, 21532790), (2, 10766395), (5, 4306558), (10, 2153279), (29, 742510), (41, 525190), (58, 371255), (82, 262595), (145, 148502), (205, 105038), (290, 74251), (410, 52519), (1189, 18110), (1811, 11890), (2378, 9055), (3622, 5945)]