21219086

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 38565120

約数和(自身を除く): 17346034

約数列:

[1, 2, 7, 14, 19, 38, 133, 241, 266, 331, 482, 662, 1687, 2317, 3374, 4579, 4634, 6289, 9158, 12578, 32053, 44023, 64106, 79771, 88046, 159542, 558397, 1116794, 1515649, 3031298, 10609543, 21219086]

約数ペア:

[(1, 21219086), (2, 10609543), (7, 3031298), (14, 1515649), (19, 1116794), (38, 558397), (133, 159542), (241, 88046), (266, 79771), (331, 64106), (482, 44023), (662, 32053), (1687, 12578), (2317, 9158), (3374, 6289), (4579, 4634)]