21007454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{977}}^1$

素因数の和:1819

約数の個数: 16

約数和(自身を含む): 34010928

約数和(自身を除く): 13003474

約数列:

[1, 2, 13, 26, 827, 977, 1654, 1954, 10751, 12701, 21502, 25402, 807979, 1615958, 10503727, 21007454]

約数ペア:

[(1, 21007454), (2, 10503727), (13, 1615958), (26, 807979), (827, 25402), (977, 21502), (1654, 12701), (1954, 10751)]