21129769320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{340583}}^1$

素因数の和:340655

約数の個数: 128

約数和(自身を含む): 70623498240

約数和(自身を除く): 49493728920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2585, 2820, 3102, 4136, 5170, 5640, 6204, 7755, 10340, 12408, 15510, 20680, 31020, 62040, 340583, 681166, 1021749, 1362332, 1702915, 2043498, 2724664, 3405830, 3746413, 4086996, 5108745, 6811660, 7492826, 8173992, 10217490, 11239239, 13623320, 14985652, 16007401, 18732065, 20434980, 22478478, 29971304, 32014802, 37464130, 40869960, 44956956, 48022203, 56196195, 64029604, 74928260, 80037005, 89913912, 96044406, 112392390, 128059208, 149856520, 160074010, 176081411, 192088812, 224784780, 240111015, 320148020, 352162822, 384177624, 449569560, 480222030, 528244233, 640296040, 704325644, 880407055, 960444060, 1056488466, 1408651288, 1760814110, 1920888120, 2112976932, 2641221165, 3521628220, 4225953864, 5282442330, 7043256440, 10564884660, 21129769320]

約数ペア:

[(1, 21129769320), (2, 10564884660), (3, 7043256440), (4, 5282442330), (5, 4225953864), (6, 3521628220), (8, 2641221165), (10, 2112976932), (11, 1920888120), (12, 1760814110), (15, 1408651288), (20, 1056488466), (22, 960444060), (24, 880407055), (30, 704325644), (33, 640296040), (40, 528244233), (44, 480222030), (47, 449569560), (55, 384177624), (60, 352162822), (66, 320148020), (88, 240111015), (94, 224784780), (110, 192088812), (120, 176081411), (132, 160074010), (141, 149856520), (165, 128059208), (188, 112392390), (220, 96044406), (235, 89913912), (264, 80037005), (282, 74928260), (330, 64029604), (376, 56196195), (440, 48022203), (470, 44956956), (517, 40869960), (564, 37464130), (660, 32014802), (705, 29971304), (940, 22478478), (1034, 20434980), (1128, 18732065), (1320, 16007401), (1410, 14985652), (1551, 13623320), (1880, 11239239), (2068, 10217490), (2585, 8173992), (2820, 7492826), (3102, 6811660), (4136, 5108745), (5170, 4086996), (5640, 3746413), (6204, 3405830), (7755, 2724664), (10340, 2043498), (12408, 1702915), (15510, 1362332), (20680, 1021749), (31020, 681166), (62040, 340583)]