21441497

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12107}}^1$

素因数の和:12148

約数の個数: 16

約数和(自身を含む): 27896832

約数和(自身を除く): 6455335

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12107, 84749, 133177, 278461, 932239, 1949227, 3063071, 21441497]

約数ペア:

[(1, 21441497), (7, 3063071), (11, 1949227), (23, 932239), (77, 278461), (161, 133177), (253, 84749), (1771, 12107)]