21258006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33899754

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 66, 77, 89, 94, 121, 141, 154, 178, 231, 242, 267, 282, 329, 363, 462, 517, 534, 623, 658, 726, 847, 979, 987, 1034, 1246, 1551, 1694, 1869, 1958, 1974, 2541, 2937, 3102, 3619, 3738, 4183, 5082, 5687, 5874, 6853, 7238, 8366, 10769, 10857, 11374, 12549, 13706, 17061, 20559, 21538, 21714, 25098, 29281, 32307, 34122, 39809, 41118, 46013, 58562, 64614, 75383, 79618, 87843, 92026, 119427, 138039, 150766, 175686, 226149, 238854, 276078, 322091, 452298, 506143, 644182, 966273, 1012286, 1518429, 1932546, 3036858, 3543001, 7086002, 10629003, 21258006]

約数ペア:

[(1, 21258006), (2, 10629003), (3, 7086002), (6, 3543001), (7, 3036858), (11, 1932546), (14, 1518429), (21, 1012286), (22, 966273), (33, 644182), (42, 506143), (47, 452298), (66, 322091), (77, 276078), (89, 238854), (94, 226149), (121, 175686), (141, 150766), (154, 138039), (178, 119427), (231, 92026), (242, 87843), (267, 79618), (282, 75383), (329, 64614), (363, 58562), (462, 46013), (517, 41118), (534, 39809), (623, 34122), (658, 32307), (726, 29281), (847, 25098), (979, 21714), (987, 21538), (1034, 20559), (1246, 17061), (1551, 13706), (1694, 12549), (1869, 11374), (1958, 10857), (1974, 10769), (2541, 8366), (2937, 7238), (3102, 6853), (3619, 5874), (3738, 5687), (4183, 5082)]