21854756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70957}}^1$

素因数の和:70979

約数の個数: 24

約数和(自身を含む): 47683776

約数和(自身を除く): 25829020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70957, 141914, 283828, 496699, 780527, 993398, 1561054, 1986796, 3122108, 5463689, 10927378, 21854756]

約数ペア:

[(1, 21854756), (2, 10927378), (4, 5463689), (7, 3122108), (11, 1986796), (14, 1561054), (22, 993398), (28, 780527), (44, 496699), (77, 283828), (154, 141914), (308, 70957)]