21353568

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 40336032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 69, 76, 92, 96, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 509, 552, 608, 736, 874, 912, 1018, 1104, 1311, 1527, 1748, 1824, 2036, 2208, 2622, 3054, 3496, 4072, 5244, 6108, 6992, 8144, 9671, 10488, 11707, 12216, 13984, 16288, 19342, 20976, 23414, 24432, 29013, 35121, 38684, 41952, 46828, 48864, 58026, 70242, 77368, 93656, 116052, 140484, 154736, 187312, 222433, 232104, 280968, 309472, 374624, 444866, 464208, 561936, 667299, 889732, 928416, 1123872, 1334598, 1779464, 2669196, 3558928, 5338392, 7117856, 10676784, 21353568]

約数ペア:

[(1, 21353568), (2, 10676784), (3, 7117856), (4, 5338392), (6, 3558928), (8, 2669196), (12, 1779464), (16, 1334598), (19, 1123872), (23, 928416), (24, 889732), (32, 667299), (38, 561936), (46, 464208), (48, 444866), (57, 374624), (69, 309472), (76, 280968), (92, 232104), (96, 222433), (114, 187312), (138, 154736), (152, 140484), (184, 116052), (228, 93656), (276, 77368), (304, 70242), (368, 58026), (437, 48864), (456, 46828), (509, 41952), (552, 38684), (608, 35121), (736, 29013), (874, 24432), (912, 23414), (1018, 20976), (1104, 19342), (1311, 16288), (1527, 13984), (1748, 12216), (1824, 11707), (2036, 10488), (2208, 9671), (2622, 8144), (3054, 6992), (3496, 6108), (4072, 5244)]