2021162045

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{1301}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 2997651888

約数和(自身を除く): 976489843

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 373, 595, 833, 1301, 1865, 2611, 4165, 6341, 6505, 9107, 13055, 18277, 22117, 31705, 44387, 45535, 63749, 91385, 110585, 154819, 221935, 310709, 318745, 485273, 774095, 1083733, 1553545, 2426365, 3396911, 5418665, 8249641, 16984555, 23778377, 41248205, 57747487, 118891885, 288737435, 404232409, 2021162045]

約数ペア:

[(1, 2021162045), (5, 404232409), (7, 288737435), (17, 118891885), (35, 57747487), (49, 41248205), (85, 23778377), (119, 16984555), (245, 8249641), (373, 5418665), (595, 3396911), (833, 2426365), (1301, 1553545), (1865, 1083733), (2611, 774095), (4165, 485273), (6341, 318745), (6505, 310709), (9107, 221935), (13055, 154819), (18277, 110585), (22117, 91385), (31705, 63749), (44387, 45535)]