21470735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30029}}^1$

素因数の和:30058

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 8799505

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30029, 150145, 330319, 390377, 1651595, 1951885, 4294147, 21470735]

約数ペア:

[(1, 21470735), (5, 4294147), (11, 1951885), (13, 1651595), (55, 390377), (65, 330319), (143, 150145), (715, 30029)]