2021656810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10640299}}^1$

素因数の和:10640325

約数の個数: 16

約数和(自身を含む): 3830508000

約数和(自身を除く): 1808851190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 10640299, 21280598, 53201495, 106402990, 202165681, 404331362, 1010828405, 2021656810]

約数ペア:

[(1, 2021656810), (2, 1010828405), (5, 404331362), (10, 202165681), (19, 106402990), (38, 53201495), (95, 21280598), (190, 10640299)]