21813228

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1163}}^1$

素因数の和:1694

約数の個数: 36

約数和(自身を含む): 55292328

約数和(自身を除く): 33479100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1163, 1563, 2084, 2326, 3126, 3489, 4652, 4689, 6252, 6978, 9378, 10467, 13956, 18756, 20934, 41868, 605923, 1211846, 1817769, 2423692, 3635538, 5453307, 7271076, 10906614, 21813228]

約数ペア:

[(1, 21813228), (2, 10906614), (3, 7271076), (4, 5453307), (6, 3635538), (9, 2423692), (12, 1817769), (18, 1211846), (36, 605923), (521, 41868), (1042, 20934), (1163, 18756), (1563, 13956), (2084, 10467), (2326, 9378), (3126, 6978), (3489, 6252), (4652, 4689)]