21129984

素因数分解:

$2^8\times 3^4\times {\mathrm{1019}}^1$

素因数の和:1047

約数の個数: 90

約数和(自身を含む): 63067620

約数和(自身を除く): 41937636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1019, 1152, 1296, 1728, 2038, 2304, 2592, 3057, 3456, 4076, 5184, 6114, 6912, 8152, 9171, 10368, 12228, 16304, 18342, 20736, 24456, 27513, 32608, 36684, 48912, 55026, 65216, 73368, 82539, 97824, 110052, 130432, 146736, 165078, 195648, 220104, 260864, 293472, 330156, 391296, 440208, 586944, 660312, 782592, 880416, 1173888, 1320624, 1760832, 2347776, 2641248, 3521664, 5282496, 7043328, 10564992, 21129984]

約数ペア:

[(1, 21129984), (2, 10564992), (3, 7043328), (4, 5282496), (6, 3521664), (8, 2641248), (9, 2347776), (12, 1760832), (16, 1320624), (18, 1173888), (24, 880416), (27, 782592), (32, 660312), (36, 586944), (48, 440208), (54, 391296), (64, 330156), (72, 293472), (81, 260864), (96, 220104), (108, 195648), (128, 165078), (144, 146736), (162, 130432), (192, 110052), (216, 97824), (256, 82539), (288, 73368), (324, 65216), (384, 55026), (432, 48912), (576, 36684), (648, 32608), (768, 27513), (864, 24456), (1019, 20736), (1152, 18342), (1296, 16304), (1728, 12228), (2038, 10368), (2304, 9171), (2592, 8152), (3057, 6912), (3456, 6114), (4076, 5184)]