6821964

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 18633888

約数和(自身を除く): 11811924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 157, 204, 213, 284, 306, 314, 426, 471, 612, 628, 639, 852, 942, 1207, 1278, 1413, 1884, 2414, 2556, 2669, 2826, 3621, 4828, 5338, 5652, 7242, 8007, 10676, 10863, 11147, 14484, 16014, 21726, 22294, 24021, 32028, 33441, 43452, 44588, 48042, 66882, 96084, 100323, 133764, 189499, 200646, 378998, 401292, 568497, 757996, 1136994, 1705491, 2273988, 3410982, 6821964]

約数ペア:

[(1, 6821964), (2, 3410982), (3, 2273988), (4, 1705491), (6, 1136994), (9, 757996), (12, 568497), (17, 401292), (18, 378998), (34, 200646), (36, 189499), (51, 133764), (68, 100323), (71, 96084), (102, 66882), (142, 48042), (153, 44588), (157, 43452), (204, 33441), (213, 32028), (284, 24021), (306, 22294), (314, 21726), (426, 16014), (471, 14484), (612, 11147), (628, 10863), (639, 10676), (852, 8007), (942, 7242), (1207, 5652), (1278, 5338), (1413, 4828), (1884, 3621), (2414, 2826), (2556, 2669)]