21468545

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26669}}^1$

素因数の和:26704

約数の個数: 16

約数和(自身を含む): 30723840

約数和(自身を除く): 9255295

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26669, 133345, 186683, 613387, 933415, 3066935, 4293709, 21468545]

約数ペア:

[(1, 21468545), (5, 4293709), (7, 3066935), (23, 933415), (35, 613387), (115, 186683), (161, 133345), (805, 26669)]