21708984930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1663}}^1\times {\mathrm{18919}}^1$

素因数の和:20615

約数の個数: 64

約数和(自身を含む): 54402416640

約数和(自身を除く): 32693431710

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 1663, 3326, 4989, 8315, 9978, 16630, 18919, 24945, 37838, 38249, 49890, 56757, 76498, 94595, 113514, 114747, 189190, 191245, 229494, 283785, 382490, 435137, 567570, 573735, 870274, 1147470, 1305411, 2175685, 2610822, 4351370, 6527055, 13054110, 31462297, 62924594, 94386891, 157311485, 188773782, 314622970, 471934455, 723632831, 943868910, 1447265662, 2170898493, 3618164155, 4341796986, 7236328310, 10854492465, 21708984930]

約数ペア:

[(1, 21708984930), (2, 10854492465), (3, 7236328310), (5, 4341796986), (6, 3618164155), (10, 2170898493), (15, 1447265662), (23, 943868910), (30, 723632831), (46, 471934455), (69, 314622970), (115, 188773782), (138, 157311485), (230, 94386891), (345, 62924594), (690, 31462297), (1663, 13054110), (3326, 6527055), (4989, 4351370), (8315, 2610822), (9978, 2175685), (16630, 1305411), (18919, 1147470), (24945, 870274), (37838, 573735), (38249, 567570), (49890, 435137), (56757, 382490), (76498, 283785), (94595, 229494), (113514, 191245), (114747, 189190)]