21411130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164701}}^1$

素因数の和:164721

約数の個数: 16

約数和(自身を含む): 41504904

約数和(自身を除く): 20093774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 164701, 329402, 823505, 1647010, 2141113, 4282226, 10705565, 21411130]

約数ペア:

[(1, 21411130), (2, 10705565), (5, 4282226), (10, 2141113), (13, 1647010), (26, 823505), (65, 329402), (130, 164701)]