21662172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1283}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 63563136

約数和(自身を除く): 41900964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 252, 268, 402, 469, 603, 804, 938, 1206, 1283, 1407, 1876, 2412, 2566, 2814, 3849, 4221, 5132, 5628, 7698, 8442, 8981, 11547, 15396, 16884, 17962, 23094, 26943, 35924, 46188, 53886, 80829, 85961, 107772, 161658, 171922, 257883, 323316, 343844, 515766, 601727, 773649, 1031532, 1203454, 1547298, 1805181, 2406908, 3094596, 3610362, 5415543, 7220724, 10831086, 21662172]

約数ペア:

[(1, 21662172), (2, 10831086), (3, 7220724), (4, 5415543), (6, 3610362), (7, 3094596), (9, 2406908), (12, 1805181), (14, 1547298), (18, 1203454), (21, 1031532), (28, 773649), (36, 601727), (42, 515766), (63, 343844), (67, 323316), (84, 257883), (126, 171922), (134, 161658), (201, 107772), (252, 85961), (268, 80829), (402, 53886), (469, 46188), (603, 35924), (804, 26943), (938, 23094), (1206, 17962), (1283, 16884), (1407, 15396), (1876, 11547), (2412, 8981), (2566, 8442), (2814, 7698), (3849, 5628), (4221, 5132)]