21441056

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 32184544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 74, 91, 104, 112, 148, 182, 199, 208, 224, 259, 296, 364, 398, 416, 481, 518, 592, 728, 796, 962, 1036, 1184, 1393, 1456, 1592, 1924, 2072, 2587, 2786, 2912, 3184, 3367, 3848, 4144, 5174, 5572, 6368, 6734, 7363, 7696, 8288, 10348, 11144, 13468, 14726, 15392, 18109, 20696, 22288, 26936, 29452, 36218, 41392, 44576, 51541, 53872, 58904, 72436, 82784, 95719, 103082, 107744, 117808, 144872, 191438, 206164, 235616, 289744, 382876, 412328, 579488, 670033, 765752, 824656, 1340066, 1531504, 1649312, 2680132, 3063008, 5360264, 10720528, 21441056]

約数ペア:

[(1, 21441056), (2, 10720528), (4, 5360264), (7, 3063008), (8, 2680132), (13, 1649312), (14, 1531504), (16, 1340066), (26, 824656), (28, 765752), (32, 670033), (37, 579488), (52, 412328), (56, 382876), (74, 289744), (91, 235616), (104, 206164), (112, 191438), (148, 144872), (182, 117808), (199, 107744), (208, 103082), (224, 95719), (259, 82784), (296, 72436), (364, 58904), (398, 53872), (416, 51541), (481, 44576), (518, 41392), (592, 36218), (728, 29452), (796, 26936), (962, 22288), (1036, 20696), (1184, 18109), (1393, 15392), (1456, 14726), (1592, 13468), (1924, 11144), (2072, 10348), (2587, 8288), (2786, 7696), (2912, 7363), (3184, 6734), (3367, 6368), (3848, 5572), (4144, 5174)]