21857418

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1240

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 32885622

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 99, 186, 198, 279, 297, 341, 558, 594, 682, 837, 1023, 1187, 1674, 2046, 2374, 3069, 3561, 6138, 7122, 9207, 10683, 13057, 18414, 21366, 26114, 32049, 36797, 39171, 64098, 73594, 78342, 110391, 117513, 220782, 235026, 331173, 352539, 404767, 662346, 705078, 809534, 993519, 1214301, 1987038, 2428602, 3642903, 7285806, 10928709, 21857418]

約数ペア:

[(1, 21857418), (2, 10928709), (3, 7285806), (6, 3642903), (9, 2428602), (11, 1987038), (18, 1214301), (22, 993519), (27, 809534), (31, 705078), (33, 662346), (54, 404767), (62, 352539), (66, 331173), (93, 235026), (99, 220782), (186, 117513), (198, 110391), (279, 78342), (297, 73594), (341, 64098), (558, 39171), (594, 36797), (682, 32049), (837, 26114), (1023, 21366), (1187, 18414), (1674, 13057), (2046, 10683), (2374, 9207), (3069, 7122), (3561, 6138)]