21824255

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 28145232

約数和(自身を除く): 6320977

約数列:

[1, 5, 19, 95, 107, 113, 361, 535, 565, 1805, 2033, 2147, 10165, 10735, 12091, 38627, 40793, 60455, 193135, 203965, 229729, 1148645, 4364851, 21824255]

約数ペア:

[(1, 21824255), (5, 4364851), (19, 1148645), (95, 229729), (107, 203965), (113, 193135), (361, 60455), (535, 40793), (565, 38627), (1805, 12091), (2033, 10735), (2147, 10165)]