21882806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2557}}^1$

素因数の和:2959

約数の個数: 16

約数和(自身を含む): 35914320

約数和(自身を除く): 14031514

約数列:

[1, 2, 11, 22, 389, 778, 2557, 4279, 5114, 8558, 28127, 56254, 994673, 1989346, 10941403, 21882806]

約数ペア:

[(1, 21882806), (2, 10941403), (11, 1989346), (22, 994673), (389, 56254), (778, 28127), (2557, 8558), (4279, 5114)]