10821993

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 18144000

約数和(自身を除く): 7322007

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 809, 1029, 1911, 2427, 4459, 5663, 10517, 13377, 16989, 31551, 39641, 73619, 118923, 220857, 277487, 515333, 832461, 1545999, 3607331, 10821993]

約数ペア:

[(1, 10821993), (3, 3607331), (7, 1545999), (13, 832461), (21, 515333), (39, 277487), (49, 220857), (91, 118923), (147, 73619), (273, 39641), (343, 31551), (637, 16989), (809, 13377), (1029, 10517), (1911, 5663), (2427, 4459)]