21402414

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 52462080

約数和(自身を除く): 31059666

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 137, 198, 263, 274, 297, 411, 526, 594, 789, 822, 1233, 1507, 1578, 2367, 2466, 2893, 3014, 3699, 4521, 4734, 5786, 7101, 7398, 8679, 9042, 13563, 14202, 17358, 26037, 27126, 36031, 40689, 52074, 72062, 78111, 81378, 108093, 156222, 216186, 324279, 396341, 648558, 792682, 972837, 1189023, 1945674, 2378046, 3567069, 7134138, 10701207, 21402414]

約数ペア:

[(1, 21402414), (2, 10701207), (3, 7134138), (6, 3567069), (9, 2378046), (11, 1945674), (18, 1189023), (22, 972837), (27, 792682), (33, 648558), (54, 396341), (66, 324279), (99, 216186), (137, 156222), (198, 108093), (263, 81378), (274, 78111), (297, 72062), (411, 52074), (526, 40689), (594, 36031), (789, 27126), (822, 26037), (1233, 17358), (1507, 14202), (1578, 13563), (2367, 9042), (2466, 8679), (2893, 7398), (3014, 7101), (3699, 5786), (4521, 4734)]