21136248

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2026

約数の個数: 96

約数和(自身を含む): 68331600

約数和(自身を除く): 47195352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 378, 392, 441, 504, 588, 756, 882, 1176, 1323, 1512, 1764, 1997, 2646, 3528, 3994, 5292, 5991, 7988, 10584, 11982, 13979, 15976, 17973, 23964, 27958, 35946, 41937, 47928, 53919, 55916, 71892, 83874, 97853, 107838, 111832, 125811, 143784, 167748, 195706, 215676, 251622, 293559, 335496, 377433, 391412, 431352, 503244, 587118, 754866, 782824, 880677, 1006488, 1174236, 1509732, 1761354, 2348472, 2642031, 3019464, 3522708, 5284062, 7045416, 10568124, 21136248]

約数ペア:

[(1, 21136248), (2, 10568124), (3, 7045416), (4, 5284062), (6, 3522708), (7, 3019464), (8, 2642031), (9, 2348472), (12, 1761354), (14, 1509732), (18, 1174236), (21, 1006488), (24, 880677), (27, 782824), (28, 754866), (36, 587118), (42, 503244), (49, 431352), (54, 391412), (56, 377433), (63, 335496), (72, 293559), (84, 251622), (98, 215676), (108, 195706), (126, 167748), (147, 143784), (168, 125811), (189, 111832), (196, 107838), (216, 97853), (252, 83874), (294, 71892), (378, 55916), (392, 53919), (441, 47928), (504, 41937), (588, 35946), (756, 27958), (882, 23964), (1176, 17973), (1323, 15976), (1512, 13979), (1764, 11982), (1997, 10584), (2646, 7988), (3528, 5991), (3994, 5292)]