21512589

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{14033}}^1$

素因数の和:14116

約数の個数: 16

約数和(自身を含む): 33232512

約数和(自身を除く): 11719923

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 14033, 42099, 98231, 294693, 1024409, 3073227, 7170863, 21512589]

約数ペア:

[(1, 21512589), (3, 7170863), (7, 3073227), (21, 1024409), (73, 294693), (219, 98231), (511, 42099), (1533, 14033)]