21002556

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{16057}}^1$

素因数の和:16173

約数の個数: 24

約数和(自身を含む): 49458640

約数和(自身を除く): 28456084

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16057, 32114, 48171, 64228, 96342, 192684, 1750213, 3500426, 5250639, 7000852, 10501278, 21002556]

約数ペア:

[(1, 21002556), (2, 10501278), (3, 7000852), (4, 5250639), (6, 3500426), (12, 1750213), (109, 192684), (218, 96342), (327, 64228), (436, 48171), (654, 32114), (1308, 16057)]