21702783193

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{660643}}^1$

素因数の和:660701

約数の個数: 24

約数和(自身を含む): 28191000768

約数和(自身を除く): 6488217575

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 1729, 2527, 4693, 32851, 660643, 4624501, 8588359, 12552217, 60118513, 87865519, 163178821, 238492123, 1142251747, 1669444861, 3100397599, 21702783193]

約数ペア:

[(1, 21702783193), (7, 3100397599), (13, 1669444861), (19, 1142251747), (91, 238492123), (133, 163178821), (247, 87865519), (361, 60118513), (1729, 12552217), (2527, 8588359), (4693, 4624501), (32851, 660643)]