21405708

素因数分解:

$2^2\times 3^4\times {\mathrm{66067}}^1$

素因数の和:66083

約数の個数: 30

約数和(自身を含む): 55959596

約数和(自身を除く): 34553888

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66067, 132134, 198201, 264268, 396402, 594603, 792804, 1189206, 1783809, 2378412, 3567618, 5351427, 7135236, 10702854, 21405708]

約数ペア:

[(1, 21405708), (2, 10702854), (3, 7135236), (4, 5351427), (6, 3567618), (9, 2378412), (12, 1783809), (18, 1189206), (27, 792804), (36, 594603), (54, 396402), (81, 264268), (108, 198201), (162, 132134), (324, 66067)]