2021118895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{8761}}^1$

素因数の和:8875

約数の個数: 32

約数和(自身を含む): 2637011520

約数和(自身を除く): 615892625

約数列:

[1, 5, 29, 37, 43, 145, 185, 215, 1073, 1247, 1591, 5365, 6235, 7955, 8761, 43805, 46139, 230695, 254069, 324157, 376723, 1270345, 1620785, 1883615, 9400553, 10924967, 13938751, 47002765, 54624835, 69693755, 404223779, 2021118895]

約数ペア:

[(1, 2021118895), (5, 404223779), (29, 69693755), (37, 54624835), (43, 47002765), (145, 13938751), (185, 10924967), (215, 9400553), (1073, 1883615), (1247, 1620785), (1591, 1270345), (5365, 376723), (6235, 324157), (7955, 254069), (8761, 230695), (43805, 46139)]