21922888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{761}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 44485560

約数和(自身を除く): 22562672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 761, 1108, 1522, 2216, 3044, 3601, 6088, 7202, 9893, 14404, 19786, 28808, 39572, 79144, 210797, 421594, 843188, 1686376, 2740361, 5480722, 10961444, 21922888]

約数ペア:

[(1, 21922888), (2, 10961444), (4, 5480722), (8, 2740361), (13, 1686376), (26, 843188), (52, 421594), (104, 210797), (277, 79144), (554, 39572), (761, 28808), (1108, 19786), (1522, 14404), (2216, 9893), (3044, 7202), (3601, 6088)]