21106430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26717}}^1$

素因数の和:26803

約数の個数: 16

約数和(自身を含む): 38473920

約数和(自身を除く): 17367490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 26717, 53434, 133585, 267170, 2110643, 4221286, 10553215, 21106430]

約数ペア:

[(1, 21106430), (2, 10553215), (5, 4221286), (10, 2110643), (79, 267170), (158, 133585), (395, 53434), (790, 26717)]