21068805912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{72617}}^1$

素因数の和:72801

約数の個数: 128

約数和(自身を含む): 66088189440

約数和(自身を除く): 45019383528

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 157, 168, 231, 264, 308, 314, 462, 471, 616, 628, 924, 942, 1099, 1256, 1727, 1848, 1884, 2198, 3297, 3454, 3768, 4396, 5181, 6594, 6908, 8792, 10362, 12089, 13188, 13816, 20724, 24178, 26376, 36267, 41448, 48356, 72534, 72617, 96712, 145068, 145234, 217851, 290136, 290468, 435702, 508319, 580936, 798787, 871404, 1016638, 1524957, 1597574, 1742808, 2033276, 2396361, 3049914, 3195148, 4066552, 4792722, 5591509, 6099828, 6390296, 9585444, 11183018, 11400869, 12199656, 16774527, 19170888, 22366036, 22801738, 33549054, 34202607, 44732072, 45603476, 67098108, 68405214, 79806083, 91206952, 125409559, 134196216, 136810428, 159612166, 239418249, 250819118, 273620856, 319224332, 376228677, 478836498, 501638236, 638448664, 752457354, 877866913, 957672996, 1003276472, 1504914708, 1755733826, 1915345992, 2633600739, 3009829416, 3511467652, 5267201478, 7022935304, 10534402956, 21068805912]

約数ペア:

[(1, 21068805912), (2, 10534402956), (3, 7022935304), (4, 5267201478), (6, 3511467652), (7, 3009829416), (8, 2633600739), (11, 1915345992), (12, 1755733826), (14, 1504914708), (21, 1003276472), (22, 957672996), (24, 877866913), (28, 752457354), (33, 638448664), (42, 501638236), (44, 478836498), (56, 376228677), (66, 319224332), (77, 273620856), (84, 250819118), (88, 239418249), (132, 159612166), (154, 136810428), (157, 134196216), (168, 125409559), (231, 91206952), (264, 79806083), (308, 68405214), (314, 67098108), (462, 45603476), (471, 44732072), (616, 34202607), (628, 33549054), (924, 22801738), (942, 22366036), (1099, 19170888), (1256, 16774527), (1727, 12199656), (1848, 11400869), (1884, 11183018), (2198, 9585444), (3297, 6390296), (3454, 6099828), (3768, 5591509), (4396, 4792722), (5181, 4066552), (6594, 3195148), (6908, 3049914), (8792, 2396361), (10362, 2033276), (12089, 1742808), (13188, 1597574), (13816, 1524957), (20724, 1016638), (24178, 871404), (26376, 798787), (36267, 580936), (41448, 508319), (48356, 435702), (72534, 290468), (72617, 290136), (96712, 217851), (145068, 145234)]