21408643179

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1343161}}^1$

素因数の和:1343208

約数の個数: 48

約数和(自身を含む): 40230388224

約数和(自身を除く): 18821745045

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 2277, 5313, 15939, 1343161, 4029483, 9402127, 12088449, 14774771, 28206381, 30892703, 44324313, 84619143, 92678109, 103423397, 132972939, 216248921, 278034327, 310270191, 339819733, 648746763, 930810573, 1019459199, 1946240289, 2378738131, 3058377597, 7136214393, 21408643179]

約数ペア:

[(1, 21408643179), (3, 7136214393), (7, 3058377597), (9, 2378738131), (11, 1946240289), (21, 1019459199), (23, 930810573), (33, 648746763), (63, 339819733), (69, 310270191), (77, 278034327), (99, 216248921), (161, 132972939), (207, 103423397), (231, 92678109), (253, 84619143), (483, 44324313), (693, 30892703), (759, 28206381), (1449, 14774771), (1771, 12088449), (2277, 9402127), (5313, 4029483), (15939, 1343161)]