21518000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 160

約数和(自身を含む): 62674560

約数和(自身を除く): 41156560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 53, 56, 58, 70, 80, 100, 106, 112, 116, 125, 140, 145, 175, 200, 203, 212, 232, 250, 265, 280, 290, 350, 371, 400, 406, 424, 464, 500, 530, 560, 580, 700, 725, 742, 812, 848, 875, 1000, 1015, 1060, 1160, 1325, 1400, 1450, 1484, 1537, 1624, 1750, 1855, 2000, 2030, 2120, 2320, 2650, 2800, 2900, 2968, 3074, 3248, 3500, 3625, 3710, 4060, 4240, 5075, 5300, 5800, 5936, 6148, 6625, 7000, 7250, 7420, 7685, 8120, 9275, 10150, 10600, 10759, 11600, 12296, 13250, 14000, 14500, 14840, 15370, 16240, 18550, 20300, 21200, 21518, 24592, 25375, 26500, 29000, 29680, 30740, 37100, 38425, 40600, 43036, 46375, 50750, 53000, 53795, 58000, 61480, 74200, 76850, 81200, 86072, 92750, 101500, 106000, 107590, 122960, 148400, 153700, 172144, 185500, 192125, 203000, 215180, 268975, 307400, 371000, 384250, 406000, 430360, 537950, 614800, 742000, 768500, 860720, 1075900, 1344875, 1537000, 2151800, 2689750, 3074000, 4303600, 5379500, 10759000, 21518000]

約数ペア:

[(1, 21518000), (2, 10759000), (4, 5379500), (5, 4303600), (7, 3074000), (8, 2689750), (10, 2151800), (14, 1537000), (16, 1344875), (20, 1075900), (25, 860720), (28, 768500), (29, 742000), (35, 614800), (40, 537950), (50, 430360), (53, 406000), (56, 384250), (58, 371000), (70, 307400), (80, 268975), (100, 215180), (106, 203000), (112, 192125), (116, 185500), (125, 172144), (140, 153700), (145, 148400), (175, 122960), (200, 107590), (203, 106000), (212, 101500), (232, 92750), (250, 86072), (265, 81200), (280, 76850), (290, 74200), (350, 61480), (371, 58000), (400, 53795), (406, 53000), (424, 50750), (464, 46375), (500, 43036), (530, 40600), (560, 38425), (580, 37100), (700, 30740), (725, 29680), (742, 29000), (812, 26500), (848, 25375), (875, 24592), (1000, 21518), (1015, 21200), (1060, 20300), (1160, 18550), (1325, 16240), (1400, 15370), (1450, 14840), (1484, 14500), (1537, 14000), (1624, 13250), (1750, 12296), (1855, 11600), (2000, 10759), (2030, 10600), (2120, 10150), (2320, 9275), (2650, 8120), (2800, 7685), (2900, 7420), (2968, 7250), (3074, 7000), (3248, 6625), (3500, 6148), (3625, 5936), (3710, 5800), (4060, 5300), (4240, 5075)]