21727425

素因数分解:

$3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1069}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 36088960

約数和(自身を除く): 14361535

約数列:

[1, 3, 5, 15, 25, 75, 271, 813, 1069, 1355, 3207, 4065, 5345, 6775, 16035, 20325, 26725, 80175, 289699, 869097, 1448495, 4345485, 7242475, 21727425]

約数ペア:

[(1, 21727425), (3, 7242475), (5, 4345485), (15, 1448495), (25, 869097), (75, 289699), (271, 80175), (813, 26725), (1069, 20325), (1355, 16035), (3207, 6775), (4065, 5345)]