21204093

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 9503619

約数列:

[1, 3, 31, 41, 67, 83, 93, 123, 201, 249, 1271, 2077, 2573, 2747, 3403, 3813, 5561, 6231, 7719, 8241, 10209, 16683, 85157, 105493, 172391, 228001, 255471, 316479, 517173, 684003, 7068031, 21204093]

約数ペア:

[(1, 21204093), (3, 7068031), (31, 684003), (41, 517173), (67, 316479), (83, 255471), (93, 228001), (123, 172391), (201, 105493), (249, 85157), (1271, 16683), (2077, 10209), (2573, 8241), (2747, 7719), (3403, 6231), (3813, 5561)]