21749868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5077}}^1$

素因数の和:5111

約数の個数: 72

約数和(自身を含む): 66542112

約数和(自身を除く): 44792244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 5077, 10154, 15231, 20308, 30462, 35539, 45693, 60924, 71078, 86309, 91386, 106617, 142156, 172618, 182772, 213234, 258927, 319851, 345236, 426468, 517854, 604163, 639702, 776781, 1035708, 1208326, 1279404, 1553562, 1812489, 2416652, 3107124, 3624978, 5437467, 7249956, 10874934, 21749868]

約数ペア:

[(1, 21749868), (2, 10874934), (3, 7249956), (4, 5437467), (6, 3624978), (7, 3107124), (9, 2416652), (12, 1812489), (14, 1553562), (17, 1279404), (18, 1208326), (21, 1035708), (28, 776781), (34, 639702), (36, 604163), (42, 517854), (51, 426468), (63, 345236), (68, 319851), (84, 258927), (102, 213234), (119, 182772), (126, 172618), (153, 142156), (204, 106617), (238, 91386), (252, 86309), (306, 71078), (357, 60924), (476, 45693), (612, 35539), (714, 30462), (1071, 20308), (1428, 15231), (2142, 10154), (4284, 5077)]