21248796

素因数分解:

$2^2\times 3^1\times {\mathrm{659}}^1\times {\mathrm{2687}}^1$

素因数の和:3353

約数の個数: 24

約数和(自身を含む): 49674240

約数和(自身を除く): 28425444

約数列:

[1, 2, 3, 4, 6, 12, 659, 1318, 1977, 2636, 2687, 3954, 5374, 7908, 8061, 10748, 16122, 32244, 1770733, 3541466, 5312199, 7082932, 10624398, 21248796]

約数ペア:

[(1, 21248796), (2, 10624398), (3, 7082932), (4, 5312199), (6, 3541466), (12, 1770733), (659, 32244), (1318, 16122), (1977, 10748), (2636, 8061), (2687, 7908), (3954, 5374)]