21403202

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8779}}^1$

素因数の和:8857

約数の個数: 16

約数和(自身を含む): 34136640

約数和(自身を除く): 12733438

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8779, 17558, 201917, 403834, 465287, 930574, 10701601, 21403202]

約数ペア:

[(1, 21403202), (2, 10701601), (23, 930574), (46, 465287), (53, 403834), (106, 201917), (1219, 17558), (2438, 8779)]