21004530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 31526670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 127, 149, 185, 222, 254, 298, 370, 381, 447, 555, 635, 745, 762, 894, 1110, 1270, 1490, 1905, 2235, 3810, 4470, 4699, 5513, 9398, 11026, 14097, 16539, 18923, 23495, 27565, 28194, 33078, 37846, 46990, 55130, 56769, 70485, 82695, 94615, 113538, 140970, 165390, 189230, 283845, 567690, 700151, 1400302, 2100453, 3500755, 4200906, 7001510, 10502265, 21004530]

約数ペア:

[(1, 21004530), (2, 10502265), (3, 7001510), (5, 4200906), (6, 3500755), (10, 2100453), (15, 1400302), (30, 700151), (37, 567690), (74, 283845), (111, 189230), (127, 165390), (149, 140970), (185, 113538), (222, 94615), (254, 82695), (298, 70485), (370, 56769), (381, 55130), (447, 46990), (555, 37846), (635, 33078), (745, 28194), (762, 27565), (894, 23495), (1110, 18923), (1270, 16539), (1490, 14097), (1905, 11026), (2235, 9398), (3810, 5513), (4470, 4699)]