21829955

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 11555005

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1931, 2261, 9655, 11305, 13517, 32827, 36689, 67585, 164135, 183445, 229789, 256823, 623713, 1148945, 1284115, 3118565, 4365991, 21829955]

約数ペア:

[(1, 21829955), (5, 4365991), (7, 3118565), (17, 1284115), (19, 1148945), (35, 623713), (85, 256823), (95, 229789), (119, 183445), (133, 164135), (323, 67585), (595, 36689), (665, 32827), (1615, 13517), (1931, 11305), (2261, 9655)]