21662242

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 20362718

約数列:

[1, 2, 7, 14, 19, 31, 37, 38, 62, 71, 74, 133, 142, 217, 259, 266, 434, 497, 518, 589, 703, 994, 1147, 1178, 1349, 1406, 2201, 2294, 2627, 2698, 4123, 4402, 4921, 5254, 8029, 8246, 9443, 9842, 15407, 16058, 18389, 18886, 21793, 30814, 36778, 41819, 43586, 49913, 81437, 83638, 99826, 152551, 162874, 292733, 305102, 349391, 570059, 585466, 698782, 1140118, 1547303, 3094606, 10831121, 21662242]

約数ペア:

[(1, 21662242), (2, 10831121), (7, 3094606), (14, 1547303), (19, 1140118), (31, 698782), (37, 585466), (38, 570059), (62, 349391), (71, 305102), (74, 292733), (133, 162874), (142, 152551), (217, 99826), (259, 83638), (266, 81437), (434, 49913), (497, 43586), (518, 41819), (589, 36778), (703, 30814), (994, 21793), (1147, 18886), (1178, 18389), (1349, 16058), (1406, 15407), (2201, 9842), (2294, 9443), (2627, 8246), (2698, 8029), (4123, 5254), (4402, 4921)]