21268876681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 24781236480

約数和(自身を除く): 3512359799

約数列:

[1, 13, 17, 109, 167, 221, 289, 311, 1417, 1853, 2171, 2839, 3757, 4043, 5287, 18203, 24089, 31501, 33899, 36907, 48263, 51937, 68731, 89879, 236639, 309451, 409513, 440687, 576283, 627419, 675181, 882929, 1168427, 4022863, 5260667, 5661133, 7491679, 9796811, 11478077, 15009793, 68388671, 73594729, 96239261, 127358543, 195127309, 1251110393, 1636067437, 21268876681]

約数ペア:

[(1, 21268876681), (13, 1636067437), (17, 1251110393), (109, 195127309), (167, 127358543), (221, 96239261), (289, 73594729), (311, 68388671), (1417, 15009793), (1853, 11478077), (2171, 9796811), (2839, 7491679), (3757, 5661133), (4043, 5260667), (5287, 4022863), (18203, 1168427), (24089, 882929), (31501, 675181), (33899, 627419), (36907, 576283), (48263, 440687), (51937, 409513), (68731, 309451), (89879, 236639)]