21248568

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^2\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 65659440

約数和(自身を除く): 44410872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 121, 132, 162, 198, 216, 242, 264, 271, 297, 324, 363, 396, 484, 542, 594, 648, 726, 792, 813, 891, 968, 1084, 1089, 1188, 1452, 1626, 1782, 2168, 2178, 2376, 2439, 2904, 2981, 3252, 3267, 3564, 4356, 4878, 5962, 6504, 6534, 7128, 7317, 8712, 8943, 9756, 9801, 11924, 13068, 14634, 17886, 19512, 19602, 21951, 23848, 26136, 26829, 29268, 32791, 35772, 39204, 43902, 53658, 58536, 65582, 71544, 78408, 80487, 87804, 98373, 107316, 131164, 160974, 175608, 196746, 214632, 241461, 262328, 295119, 321948, 393492, 482922, 590238, 643896, 786984, 885357, 965844, 1180476, 1770714, 1931688, 2360952, 2656071, 3541428, 5312142, 7082856, 10624284, 21248568]

約数ペア:

[(1, 21248568), (2, 10624284), (3, 7082856), (4, 5312142), (6, 3541428), (8, 2656071), (9, 2360952), (11, 1931688), (12, 1770714), (18, 1180476), (22, 965844), (24, 885357), (27, 786984), (33, 643896), (36, 590238), (44, 482922), (54, 393492), (66, 321948), (72, 295119), (81, 262328), (88, 241461), (99, 214632), (108, 196746), (121, 175608), (132, 160974), (162, 131164), (198, 107316), (216, 98373), (242, 87804), (264, 80487), (271, 78408), (297, 71544), (324, 65582), (363, 58536), (396, 53658), (484, 43902), (542, 39204), (594, 35772), (648, 32791), (726, 29268), (792, 26829), (813, 26136), (891, 23848), (968, 21951), (1084, 19602), (1089, 19512), (1188, 17886), (1452, 14634), (1626, 13068), (1782, 11924), (2168, 9801), (2178, 9756), (2376, 8943), (2439, 8712), (2904, 7317), (2981, 7128), (3252, 6534), (3267, 6504), (3564, 5962), (4356, 4878)]