21665931

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 35586048

約数和(自身を除く): 13920117

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1447, 2139, 4341, 4991, 10129, 14973, 30387, 33281, 44857, 99843, 134571, 232967, 313999, 698901, 941997, 1031711, 3095133, 7221977, 21665931]

約数ペア:

[(1, 21665931), (3, 7221977), (7, 3095133), (21, 1031711), (23, 941997), (31, 698901), (69, 313999), (93, 232967), (161, 134571), (217, 99843), (483, 44857), (651, 33281), (713, 30387), (1447, 14973), (2139, 10129), (4341, 4991)]