21647868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 58854096

約数和(自身を除く): 37206228

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 121, 132, 187, 204, 242, 363, 374, 484, 561, 726, 748, 877, 1122, 1452, 1754, 2057, 2244, 2631, 3508, 4114, 5262, 6171, 8228, 9647, 10524, 12342, 14909, 19294, 24684, 28941, 29818, 38588, 44727, 57882, 59636, 89454, 106117, 115764, 163999, 178908, 212234, 318351, 327998, 424468, 491997, 636702, 655996, 983994, 1273404, 1803989, 1967988, 3607978, 5411967, 7215956, 10823934, 21647868]

約数ペア:

[(1, 21647868), (2, 10823934), (3, 7215956), (4, 5411967), (6, 3607978), (11, 1967988), (12, 1803989), (17, 1273404), (22, 983994), (33, 655996), (34, 636702), (44, 491997), (51, 424468), (66, 327998), (68, 318351), (102, 212234), (121, 178908), (132, 163999), (187, 115764), (204, 106117), (242, 89454), (363, 59636), (374, 57882), (484, 44727), (561, 38588), (726, 29818), (748, 28941), (877, 24684), (1122, 19294), (1452, 14909), (1754, 12342), (2057, 10524), (2244, 9647), (2631, 8228), (3508, 6171), (4114, 5262)]