21719103665

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26980253}}^1$

素因数の和:26980288

約数の個数: 16

約数和(自身を含む): 31081252608

約数和(自身を除く): 9362148943

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26980253, 134901265, 188861771, 620545819, 944308855, 3102729095, 4343820733, 21719103665]

約数ペア:

[(1, 21719103665), (5, 4343820733), (7, 3102729095), (23, 944308855), (35, 620545819), (115, 188861771), (161, 134901265), (805, 26980253)]