21423525

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6967}}^1$

素因数の和:7021

約数の個数: 24

約数和(自身を含む): 36289344

約数和(自身を除く): 14865819

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6967, 20901, 34835, 104505, 174175, 285647, 522525, 856941, 1428235, 4284705, 7141175, 21423525]

約数ペア:

[(1, 21423525), (3, 7141175), (5, 4284705), (15, 1428235), (25, 856941), (41, 522525), (75, 285647), (123, 174175), (205, 104505), (615, 34835), (1025, 20901), (3075, 6967)]