21435477

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 35512320

約数和(自身を除く): 14076843

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1733, 1767, 4123, 5199, 12131, 12369, 32927, 36393, 53723, 98781, 161169, 230489, 376061, 691467, 1020737, 1128183, 3062211, 7145159, 21435477]

約数ペア:

[(1, 21435477), (3, 7145159), (7, 3062211), (19, 1128183), (21, 1020737), (31, 691467), (57, 376061), (93, 230489), (133, 161169), (217, 98781), (399, 53723), (589, 36393), (651, 32927), (1733, 12369), (1767, 12131), (4123, 5199)]