21239658

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 54250560

約数和(自身を除く): 33010902

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 81, 87, 99, 137, 162, 174, 198, 243, 261, 274, 297, 319, 411, 486, 522, 594, 638, 783, 822, 891, 957, 1233, 1507, 1566, 1782, 1914, 2349, 2466, 2673, 2871, 3014, 3699, 3973, 4521, 4698, 5346, 5742, 7047, 7398, 7946, 8613, 9042, 11097, 11919, 13563, 14094, 17226, 22194, 23838, 25839, 27126, 33291, 35757, 40689, 43703, 51678, 66582, 71514, 77517, 81378, 87406, 107271, 122067, 131109, 155034, 214542, 244134, 262218, 321813, 366201, 393327, 643626, 732402, 786654, 965439, 1179981, 1930878, 2359962, 3539943, 7079886, 10619829, 21239658]

約数ペア:

[(1, 21239658), (2, 10619829), (3, 7079886), (6, 3539943), (9, 2359962), (11, 1930878), (18, 1179981), (22, 965439), (27, 786654), (29, 732402), (33, 643626), (54, 393327), (58, 366201), (66, 321813), (81, 262218), (87, 244134), (99, 214542), (137, 155034), (162, 131109), (174, 122067), (198, 107271), (243, 87406), (261, 81378), (274, 77517), (297, 71514), (319, 66582), (411, 51678), (486, 43703), (522, 40689), (594, 35757), (638, 33291), (783, 27126), (822, 25839), (891, 23838), (957, 22194), (1233, 17226), (1507, 14094), (1566, 13563), (1782, 11919), (1914, 11097), (2349, 9042), (2466, 8613), (2673, 7946), (2871, 7398), (3014, 7047), (3699, 5742), (3973, 5346), (4521, 4698)]