21404332544

素因数分解:

$2^9\times 7^1\times {\mathrm{367}}^1\times {\mathrm{16273}}^1$

素因数の和:16665

約数の個数: 80

約数和(自身を含む): 49012601088

約数和(自身を除く): 27608268544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 367, 448, 512, 734, 896, 1468, 1792, 2569, 2936, 3584, 5138, 5872, 10276, 11744, 16273, 20552, 23488, 32546, 41104, 46976, 65092, 82208, 93952, 113911, 130184, 164416, 187904, 227822, 260368, 328832, 455644, 520736, 657664, 911288, 1041472, 1315328, 1822576, 2082944, 3645152, 4165888, 5972191, 7290304, 8331776, 11944382, 14580608, 23888764, 29161216, 41805337, 47777528, 58322432, 83610674, 95555056, 167221348, 191110112, 334442696, 382220224, 668885392, 764440448, 1337770784, 1528880896, 2675541568, 3057761792, 5351083136, 10702166272, 21404332544]

約数ペア:

[(1, 21404332544), (2, 10702166272), (4, 5351083136), (7, 3057761792), (8, 2675541568), (14, 1528880896), (16, 1337770784), (28, 764440448), (32, 668885392), (56, 382220224), (64, 334442696), (112, 191110112), (128, 167221348), (224, 95555056), (256, 83610674), (367, 58322432), (448, 47777528), (512, 41805337), (734, 29161216), (896, 23888764), (1468, 14580608), (1792, 11944382), (2569, 8331776), (2936, 7290304), (3584, 5972191), (5138, 4165888), (5872, 3645152), (10276, 2082944), (11744, 1822576), (16273, 1315328), (20552, 1041472), (23488, 911288), (32546, 657664), (41104, 520736), (46976, 455644), (65092, 328832), (82208, 260368), (93952, 227822), (113911, 187904), (130184, 164416)]