21867389

素因数分解:

${\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 23814000

約数和(自身を除く): 1946611

約数列:

[1, 17, 89, 97, 149, 1513, 1649, 2533, 8633, 13261, 14453, 146761, 225437, 245701, 1286317, 21867389]

約数ペア:

[(1, 21867389), (17, 1286317), (89, 245701), (97, 225437), (149, 146761), (1513, 14453), (1649, 13261), (2533, 8633)]