21235578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 36825222

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 23, 26, 38, 39, 42, 46, 57, 69, 78, 89, 91, 114, 133, 138, 161, 178, 182, 247, 266, 267, 273, 299, 322, 399, 437, 483, 494, 534, 546, 598, 623, 741, 798, 874, 897, 966, 1157, 1246, 1311, 1482, 1691, 1729, 1794, 1869, 2047, 2093, 2314, 2622, 3059, 3382, 3458, 3471, 3738, 4094, 4186, 5073, 5187, 5681, 6118, 6141, 6279, 6942, 8099, 9177, 10146, 10374, 11362, 11837, 12282, 12558, 14329, 16198, 17043, 18354, 21983, 23674, 24297, 26611, 28658, 34086, 35511, 38893, 39767, 42987, 43966, 48594, 53222, 65949, 71022, 77786, 79534, 79833, 85974, 116679, 119301, 131898, 153881, 159666, 186277, 233358, 238602, 272251, 307762, 372554, 461643, 505609, 544502, 558831, 816753, 923286, 1011218, 1117662, 1516827, 1633506, 3033654, 3539263, 7078526, 10617789, 21235578]

約数ペア:

[(1, 21235578), (2, 10617789), (3, 7078526), (6, 3539263), (7, 3033654), (13, 1633506), (14, 1516827), (19, 1117662), (21, 1011218), (23, 923286), (26, 816753), (38, 558831), (39, 544502), (42, 505609), (46, 461643), (57, 372554), (69, 307762), (78, 272251), (89, 238602), (91, 233358), (114, 186277), (133, 159666), (138, 153881), (161, 131898), (178, 119301), (182, 116679), (247, 85974), (266, 79833), (267, 79534), (273, 77786), (299, 71022), (322, 65949), (399, 53222), (437, 48594), (483, 43966), (494, 42987), (534, 39767), (546, 38893), (598, 35511), (623, 34086), (741, 28658), (798, 26611), (874, 24297), (897, 23674), (966, 21983), (1157, 18354), (1246, 17043), (1311, 16198), (1482, 14329), (1691, 12558), (1729, 12282), (1794, 11837), (1869, 11362), (2047, 10374), (2093, 10146), (2314, 9177), (2622, 8099), (3059, 6942), (3382, 6279), (3458, 6141), (3471, 6118), (3738, 5681), (4094, 5187), (4186, 5073)]