21280497

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44059}}^1$

素因数の和:44092

約数の個数: 16

約数和(自身を含む): 33838080

約数和(自身を除く): 12557583

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44059, 132177, 308413, 925239, 1013357, 3040071, 7093499, 21280497]

約数ペア:

[(1, 21280497), (3, 7093499), (7, 3040071), (21, 1013357), (23, 925239), (69, 308413), (161, 132177), (483, 44059)]