21849398

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{1019}}^1$

素因数の和:1243

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 11639242

約数列:

[1, 2, 71, 142, 151, 302, 1019, 2038, 10721, 21442, 72349, 144698, 153869, 307738, 10924699, 21849398]

約数ペア:

[(1, 21849398), (2, 10924699), (71, 307738), (142, 153869), (151, 144698), (302, 72349), (1019, 21442), (2038, 10721)]