21955862

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1783}}^1$

素因数の和:1963

約数の個数: 16

約数和(自身を含む): 33910272

約数和(自身を除く): 11954410

約数列:

[1, 2, 47, 94, 131, 262, 1783, 3566, 6157, 12314, 83801, 167602, 233573, 467146, 10977931, 21955862]

約数ペア:

[(1, 21955862), (2, 10977931), (47, 467146), (94, 233573), (131, 167602), (262, 83801), (1783, 12314), (3566, 6157)]