2021428525

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{3343}}^1$

素因数の和:3458

約数の個数: 36

約数和(自身を含む): 2685726912

約数和(自身を除く): 664298387

約数列:

[1, 5, 19, 25, 67, 95, 335, 361, 475, 1273, 1675, 1805, 3343, 6365, 9025, 16715, 24187, 31825, 63517, 83575, 120935, 223981, 317585, 604675, 1119905, 1206823, 1587925, 4255639, 5599525, 6034115, 21278195, 30170575, 80857141, 106390975, 404285705, 2021428525]

約数ペア:

[(1, 2021428525), (5, 404285705), (19, 106390975), (25, 80857141), (67, 30170575), (95, 21278195), (335, 6034115), (361, 5599525), (475, 4255639), (1273, 1587925), (1675, 1206823), (1805, 1119905), (3343, 604675), (6365, 317585), (9025, 223981), (16715, 120935), (24187, 83575), (31825, 63517)]