21573701

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 1868347

約数列:

[1, 23, 37, 101, 251, 851, 2323, 3737, 5773, 9287, 25351, 85951, 213601, 583073, 937987, 21573701]

約数ペア:

[(1, 21573701), (23, 937987), (37, 583073), (101, 213601), (251, 85951), (851, 25351), (2323, 9287), (3737, 5773)]