21258002015

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{436913}}^1$

素因数の和:437218

約数の個数: 16

約数和(自身を含む): 26298727488

約数和(自身を除く): 5040725473

約数列:

[1, 5, 37, 185, 263, 1315, 9731, 48655, 436913, 2184565, 16165781, 80828905, 114908119, 574540595, 4251600403, 21258002015]

約数ペア:

[(1, 21258002015), (5, 4251600403), (37, 574540595), (185, 114908119), (263, 80828905), (1315, 16165781), (9731, 2184565), (48655, 436913)]