21721167358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31849219}}^1$

素因数の和:31849263

約数の個数: 16

約数和(自身を含む): 36690301440

約数和(自身を除く): 14969134082

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31849219, 63698438, 350341409, 700682818, 987325789, 1974651578, 10860583679, 21721167358]

約数ペア:

[(1, 21721167358), (2, 10860583679), (11, 1974651578), (22, 987325789), (31, 700682818), (62, 350341409), (341, 63698438), (682, 31849219)]