21801164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70783}}^1$

素因数の和:70805

約数の個数: 24

約数和(自身を含む): 47566848

約数和(自身を除く): 25765684

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70783, 141566, 283132, 495481, 778613, 990962, 1557226, 1981924, 3114452, 5450291, 10900582, 21801164]

約数ペア:

[(1, 21801164), (2, 10900582), (4, 5450291), (7, 3114452), (11, 1981924), (14, 1557226), (22, 990962), (28, 778613), (44, 495481), (77, 283132), (154, 141566), (308, 70783)]