21167708547

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1371943}}^1$

素因数の和:1372122

約数の個数: 16

約数和(自身を含む): 29194968320

約数和(自身を除く): 8027259773

約数列:

[1, 3, 37, 111, 139, 417, 5143, 15429, 1371943, 4115829, 50761891, 152285673, 190700077, 572100231, 7055902849, 21167708547]

約数ペア:

[(1, 21167708547), (3, 7055902849), (37, 572100231), (111, 190700077), (139, 152285673), (417, 50761891), (5143, 4115829), (15429, 1371943)]