21780792

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 45611208

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 89, 99, 103, 108, 132, 178, 198, 206, 216, 264, 267, 297, 309, 356, 396, 412, 534, 594, 618, 712, 792, 801, 824, 927, 979, 1068, 1133, 1188, 1236, 1602, 1854, 1958, 2136, 2266, 2376, 2403, 2472, 2781, 2937, 3204, 3399, 3708, 3916, 4532, 4806, 5562, 5874, 6408, 6798, 7416, 7832, 8811, 9064, 9167, 9612, 10197, 11124, 11748, 13596, 17622, 18334, 19224, 20394, 22248, 23496, 26433, 27192, 27501, 30591, 35244, 36668, 40788, 52866, 55002, 61182, 70488, 73336, 81576, 82503, 100837, 105732, 110004, 122364, 165006, 201674, 211464, 220008, 244728, 247509, 302511, 330012, 403348, 495018, 605022, 660024, 806696, 907533, 990036, 1210044, 1815066, 1980072, 2420088, 2722599, 3630132, 5445198, 7260264, 10890396, 21780792]

約数ペア:

[(1, 21780792), (2, 10890396), (3, 7260264), (4, 5445198), (6, 3630132), (8, 2722599), (9, 2420088), (11, 1980072), (12, 1815066), (18, 1210044), (22, 990036), (24, 907533), (27, 806696), (33, 660024), (36, 605022), (44, 495018), (54, 403348), (66, 330012), (72, 302511), (88, 247509), (89, 244728), (99, 220008), (103, 211464), (108, 201674), (132, 165006), (178, 122364), (198, 110004), (206, 105732), (216, 100837), (264, 82503), (267, 81576), (297, 73336), (309, 70488), (356, 61182), (396, 55002), (412, 52866), (534, 40788), (594, 36668), (618, 35244), (712, 30591), (792, 27501), (801, 27192), (824, 26433), (927, 23496), (979, 22248), (1068, 20394), (1133, 19224), (1188, 18334), (1236, 17622), (1602, 13596), (1854, 11748), (1958, 11124), (2136, 10197), (2266, 9612), (2376, 9167), (2403, 9064), (2472, 8811), (2781, 7832), (2937, 7416), (3204, 6798), (3399, 6408), (3708, 5874), (3916, 5562), (4532, 4806)]