17893421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 23654400

約数和(自身を除く): 5760979

約数列:

[1, 7, 13, 19, 79, 91, 131, 133, 247, 553, 917, 1027, 1501, 1703, 1729, 2489, 7189, 10349, 10507, 11921, 17423, 19513, 32357, 72443, 134537, 136591, 196631, 226499, 941759, 1376417, 2556203, 17893421]

約数ペア:

[(1, 17893421), (7, 2556203), (13, 1376417), (19, 941759), (79, 226499), (91, 196631), (131, 136591), (133, 134537), (247, 72443), (553, 32357), (917, 19513), (1027, 17423), (1501, 11921), (1703, 10507), (1729, 10349), (2489, 7189)]