21154024

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37243}}^1$

素因数の和:37320

約数の個数: 16

約数和(自身を含む): 40223520

約数和(自身を除く): 19069496

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37243, 74486, 148972, 297944, 2644253, 5288506, 10577012, 21154024]

約数ペア:

[(1, 21154024), (2, 10577012), (4, 5288506), (8, 2644253), (71, 297944), (142, 148972), (284, 74486), (568, 37243)]