21416912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121687}}^1$

素因数の和:121706

約数の個数: 20

約数和(自身を含む): 45267936

約数和(自身を除く): 23851024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121687, 243374, 486748, 973496, 1338557, 1946992, 2677114, 5354228, 10708456, 21416912]

約数ペア:

[(1, 21416912), (2, 10708456), (4, 5354228), (8, 2677114), (11, 1946992), (16, 1338557), (22, 973496), (44, 486748), (88, 243374), (176, 121687)]