21922940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84319}}^1$

素因数の和:84341

約数の個数: 24

約数和(自身を含む): 49580160

約数和(自身を除く): 27657220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 84319, 168638, 337276, 421595, 843190, 1096147, 1686380, 2192294, 4384588, 5480735, 10961470, 21922940]

約数ペア:

[(1, 21922940), (2, 10961470), (4, 5480735), (5, 4384588), (10, 2192294), (13, 1686380), (20, 1096147), (26, 843190), (52, 421595), (65, 337276), (130, 168638), (260, 84319)]