21030800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 180

約数和(自身を含む): 62445780

約数和(自身を除く): 41414980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 37, 40, 49, 50, 56, 58, 70, 74, 80, 98, 100, 112, 116, 140, 145, 148, 175, 185, 196, 200, 203, 232, 245, 259, 280, 290, 296, 350, 370, 392, 400, 406, 464, 490, 518, 560, 580, 592, 700, 725, 740, 784, 812, 925, 980, 1015, 1036, 1073, 1160, 1225, 1295, 1400, 1421, 1450, 1480, 1624, 1813, 1850, 1960, 2030, 2072, 2146, 2320, 2450, 2590, 2800, 2842, 2900, 2960, 3248, 3626, 3700, 3920, 4060, 4144, 4292, 4900, 5075, 5180, 5365, 5684, 5800, 6475, 7105, 7252, 7400, 7511, 8120, 8584, 9065, 9800, 10150, 10360, 10730, 11368, 11600, 12950, 14210, 14504, 14800, 15022, 16240, 17168, 18130, 19600, 20300, 20720, 21460, 22736, 25900, 26825, 28420, 29008, 30044, 35525, 36260, 37555, 40600, 42920, 45325, 51800, 52577, 53650, 56840, 60088, 71050, 72520, 75110, 81200, 85840, 90650, 103600, 105154, 107300, 113680, 120176, 142100, 145040, 150220, 181300, 187775, 210308, 214600, 262885, 284200, 300440, 362600, 375550, 420616, 429200, 525770, 568400, 600880, 725200, 751100, 841232, 1051540, 1314425, 1502200, 2103080, 2628850, 3004400, 4206160, 5257700, 10515400, 21030800]

約数ペア:

[(1, 21030800), (2, 10515400), (4, 5257700), (5, 4206160), (7, 3004400), (8, 2628850), (10, 2103080), (14, 1502200), (16, 1314425), (20, 1051540), (25, 841232), (28, 751100), (29, 725200), (35, 600880), (37, 568400), (40, 525770), (49, 429200), (50, 420616), (56, 375550), (58, 362600), (70, 300440), (74, 284200), (80, 262885), (98, 214600), (100, 210308), (112, 187775), (116, 181300), (140, 150220), (145, 145040), (148, 142100), (175, 120176), (185, 113680), (196, 107300), (200, 105154), (203, 103600), (232, 90650), (245, 85840), (259, 81200), (280, 75110), (290, 72520), (296, 71050), (350, 60088), (370, 56840), (392, 53650), (400, 52577), (406, 51800), (464, 45325), (490, 42920), (518, 40600), (560, 37555), (580, 36260), (592, 35525), (700, 30044), (725, 29008), (740, 28420), (784, 26825), (812, 25900), (925, 22736), (980, 21460), (1015, 20720), (1036, 20300), (1073, 19600), (1160, 18130), (1225, 17168), (1295, 16240), (1400, 15022), (1421, 14800), (1450, 14504), (1480, 14210), (1624, 12950), (1813, 11600), (1850, 11368), (1960, 10730), (2030, 10360), (2072, 10150), (2146, 9800), (2320, 9065), (2450, 8584), (2590, 8120), (2800, 7511), (2842, 7400), (2900, 7252), (2960, 7105), (3248, 6475), (3626, 5800), (3700, 5684), (3920, 5365), (4060, 5180), (4144, 5075), (4292, 4900)]