21017924

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 19201276

約数列:

[1, 2, 4, 29, 37, 58, 59, 74, 83, 116, 118, 148, 166, 236, 332, 1073, 1711, 2146, 2183, 2407, 3071, 3422, 4292, 4366, 4814, 4897, 6142, 6844, 8732, 9628, 9794, 12284, 19588, 63307, 89059, 126614, 142013, 178118, 181189, 253228, 284026, 356236, 362378, 568052, 724756, 5254481, 10508962, 21017924]

約数ペア:

[(1, 21017924), (2, 10508962), (4, 5254481), (29, 724756), (37, 568052), (58, 362378), (59, 356236), (74, 284026), (83, 253228), (116, 181189), (118, 178118), (148, 142013), (166, 126614), (236, 89059), (332, 63307), (1073, 19588), (1711, 12284), (2146, 9794), (2183, 9628), (2407, 8732), (3071, 6844), (3422, 6142), (4292, 4897), (4366, 4814)]