21660188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{811}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 41470464

約数和(自身を除く): 19810276

約数列:

[1, 2, 4, 11, 22, 44, 607, 811, 1214, 1622, 2428, 3244, 6677, 8921, 13354, 17842, 26708, 35684, 492277, 984554, 1969108, 5415047, 10830094, 21660188]

約数ペア:

[(1, 21660188), (2, 10830094), (4, 5415047), (11, 1969108), (22, 984554), (44, 492277), (607, 35684), (811, 26708), (1214, 17842), (1622, 13354), (2428, 8921), (3244, 6677)]