21497424280

素因数分解:

$2^3\times 5^1\times {\mathrm{2383}}^1\times {\mathrm{225529}}^1$

素因数の和:227923

約数の個数: 32

約数和(自身を含む): 48389716800

約数和(自身を除く): 26892292520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2383, 4766, 9532, 11915, 19064, 23830, 47660, 95320, 225529, 451058, 902116, 1127645, 1804232, 2255290, 4510580, 9021160, 537435607, 1074871214, 2149742428, 2687178035, 4299484856, 5374356070, 10748712140, 21497424280]

約数ペア:

[(1, 21497424280), (2, 10748712140), (4, 5374356070), (5, 4299484856), (8, 2687178035), (10, 2149742428), (20, 1074871214), (40, 537435607), (2383, 9021160), (4766, 4510580), (9532, 2255290), (11915, 1804232), (19064, 1127645), (23830, 902116), (47660, 451058), (95320, 225529)]