21221988488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3628931}}^1$

素因数の和:3628997

約数の個数: 32

約数和(自身を含む): 43111712160

約数和(自身を除く): 21889723672

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 3628931, 7257862, 14515724, 29031448, 61691827, 123383654, 156044033, 246767308, 312088066, 493534616, 624176132, 1248352264, 2652748561, 5305497122, 10610994244, 21221988488]

約数ペア:

[(1, 21221988488), (2, 10610994244), (4, 5305497122), (8, 2652748561), (17, 1248352264), (34, 624176132), (43, 493534616), (68, 312088066), (86, 246767308), (136, 156044033), (172, 123383654), (344, 61691827), (731, 29031448), (1462, 14515724), (2924, 7257862), (5848, 3628931)]