21007029237

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{4231}}^1\times {\mathrm{28051}}^1$

素因数の和:32344

約数の個数: 16

約数和(自身を含む): 28491855360

約数和(自身を除く): 7484826123

約数列:

[1, 3, 59, 177, 4231, 12693, 28051, 84153, 249629, 748887, 1655009, 4965027, 118683781, 356051343, 7002343079, 21007029237]

約数ペア:

[(1, 21007029237), (3, 7002343079), (59, 356051343), (177, 118683781), (4231, 4965027), (12693, 1655009), (28051, 748887), (84153, 249629)]