21105702908

素因数分解:

$2^2\times {\mathrm{211}}^1\times {\mathrm{439}}^1\times {\mathrm{56963}}^1$

素因数の和:57617

約数の個数: 24

約数和(自身を含む): 37195213440

約数和(自身を除く): 16089510532

約数列:

[1, 2, 4, 211, 422, 439, 844, 878, 1756, 56963, 92629, 113926, 185258, 227852, 370516, 12019193, 24038386, 25006757, 48076772, 50013514, 100027028, 5276425727, 10552851454, 21105702908]

約数ペア:

[(1, 21105702908), (2, 10552851454), (4, 5276425727), (211, 100027028), (422, 50013514), (439, 48076772), (844, 25006757), (878, 24038386), (1756, 12019193), (56963, 370516), (92629, 227852), (113926, 185258)]