21360636

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 44683524

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 19, 22, 33, 34, 36, 38, 44, 51, 57, 66, 68, 76, 99, 102, 114, 132, 153, 167, 171, 187, 198, 204, 209, 228, 306, 323, 334, 342, 374, 396, 418, 501, 561, 612, 627, 646, 668, 684, 748, 836, 969, 1002, 1122, 1254, 1292, 1503, 1683, 1837, 1881, 1938, 2004, 2244, 2508, 2839, 2907, 3006, 3173, 3366, 3553, 3674, 3762, 3876, 5511, 5678, 5814, 6012, 6346, 6732, 7106, 7348, 7524, 8517, 9519, 10659, 11022, 11356, 11628, 12692, 14212, 16533, 17034, 19038, 21318, 22044, 25551, 28557, 31229, 31977, 33066, 34068, 34903, 38076, 42636, 51102, 53941, 57114, 62458, 63954, 66132, 69806, 93687, 102204, 104709, 107882, 114228, 124916, 127908, 139612, 161823, 187374, 209418, 215764, 281061, 314127, 323646, 374748, 418836, 485469, 562122, 593351, 628254, 647292, 970938, 1124244, 1186702, 1256508, 1780053, 1941876, 2373404, 3560106, 5340159, 7120212, 10680318, 21360636]

約数ペア:

[(1, 21360636), (2, 10680318), (3, 7120212), (4, 5340159), (6, 3560106), (9, 2373404), (11, 1941876), (12, 1780053), (17, 1256508), (18, 1186702), (19, 1124244), (22, 970938), (33, 647292), (34, 628254), (36, 593351), (38, 562122), (44, 485469), (51, 418836), (57, 374748), (66, 323646), (68, 314127), (76, 281061), (99, 215764), (102, 209418), (114, 187374), (132, 161823), (153, 139612), (167, 127908), (171, 124916), (187, 114228), (198, 107882), (204, 104709), (209, 102204), (228, 93687), (306, 69806), (323, 66132), (334, 63954), (342, 62458), (374, 57114), (396, 53941), (418, 51102), (501, 42636), (561, 38076), (612, 34903), (627, 34068), (646, 33066), (668, 31977), (684, 31229), (748, 28557), (836, 25551), (969, 22044), (1002, 21318), (1122, 19038), (1254, 17034), (1292, 16533), (1503, 14212), (1683, 12692), (1837, 11628), (1881, 11356), (1938, 11022), (2004, 10659), (2244, 9519), (2508, 8517), (2839, 7524), (2907, 7348), (3006, 7106), (3173, 6732), (3366, 6346), (3553, 6012), (3674, 5814), (3762, 5678), (3876, 5511)]