21323874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 30567966

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 29, 33, 39, 58, 66, 78, 87, 143, 174, 286, 319, 377, 429, 638, 754, 857, 858, 957, 1131, 1714, 1914, 2262, 2571, 4147, 5142, 8294, 9427, 11141, 12441, 18854, 22282, 24853, 24882, 28281, 33423, 49706, 56562, 66846, 74559, 122551, 149118, 245102, 273383, 323089, 367653, 546766, 646178, 735306, 820149, 969267, 1640298, 1938534, 3553979, 7107958, 10661937, 21323874]

約数ペア:

[(1, 21323874), (2, 10661937), (3, 7107958), (6, 3553979), (11, 1938534), (13, 1640298), (22, 969267), (26, 820149), (29, 735306), (33, 646178), (39, 546766), (58, 367653), (66, 323089), (78, 273383), (87, 245102), (143, 149118), (174, 122551), (286, 74559), (319, 66846), (377, 56562), (429, 49706), (638, 33423), (754, 28281), (857, 24882), (858, 24853), (957, 22282), (1131, 18854), (1714, 12441), (1914, 11141), (2262, 9427), (2571, 8294), (4147, 5142)]