21890286

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{110557}}^1$

素因数の和:110576

約数の個数: 24

約数和(自身を含む): 51741144

約数和(自身を除く): 29850858

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 110557, 221114, 331671, 663342, 995013, 1216127, 1990026, 2432254, 3648381, 7296762, 10945143, 21890286]

約数ペア:

[(1, 21890286), (2, 10945143), (3, 7296762), (6, 3648381), (9, 2432254), (11, 1990026), (18, 1216127), (22, 995013), (33, 663342), (66, 331671), (99, 221114), (198, 110557)]