21350676815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1217}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 29392191360

約数和(自身を除く): 8041514545

約数列:

[1, 5, 13, 29, 41, 65, 145, 205, 227, 377, 533, 1135, 1189, 1217, 1885, 2665, 2951, 5945, 6085, 6583, 9307, 14755, 15457, 15821, 32915, 35293, 46535, 49897, 77285, 79105, 85579, 120991, 176465, 249485, 269903, 276259, 427895, 458809, 604955, 648661, 1349515, 1381295, 1447013, 2294045, 3243305, 3508739, 3591367, 7235065, 8011511, 11326619, 17543695, 17956835, 18811169, 40057555, 56633095, 94055845, 104149643, 147246047, 328471951, 520748215, 736230235, 1642359755, 4270135363, 21350676815]

約数ペア:

[(1, 21350676815), (5, 4270135363), (13, 1642359755), (29, 736230235), (41, 520748215), (65, 328471951), (145, 147246047), (205, 104149643), (227, 94055845), (377, 56633095), (533, 40057555), (1135, 18811169), (1189, 17956835), (1217, 17543695), (1885, 11326619), (2665, 8011511), (2951, 7235065), (5945, 3591367), (6085, 3508739), (6583, 3243305), (9307, 2294045), (14755, 1447013), (15457, 1381295), (15821, 1349515), (32915, 648661), (35293, 604955), (46535, 458809), (49897, 427895), (77285, 276259), (79105, 269903), (85579, 249485), (120991, 176465)]