21167903055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108553349}}^1$

素因数の和:108553370

約数の個数: 16

約数和(自身を含む): 36473925600

約数和(自身を除く): 15306022545

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 108553349, 325660047, 542766745, 1411193537, 1628300235, 4233580611, 7055967685, 21167903055]

約数ペア:

[(1, 21167903055), (3, 7055967685), (5, 4233580611), (13, 1628300235), (15, 1411193537), (39, 542766745), (65, 325660047), (195, 108553349)]