21060160

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 112

約数和(自身を含む): 56765952

約数和(自身を除く): 35705792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 193, 220, 248, 310, 320, 341, 352, 386, 440, 496, 620, 682, 704, 772, 880, 965, 992, 1240, 1364, 1544, 1705, 1760, 1930, 1984, 2123, 2480, 2728, 3088, 3410, 3520, 3860, 4246, 4960, 5456, 5983, 6176, 6820, 7720, 8492, 9920, 10615, 10912, 11966, 12352, 13640, 15440, 16984, 21230, 21824, 23932, 27280, 29915, 30880, 33968, 42460, 47864, 54560, 59830, 61760, 65813, 67936, 84920, 95728, 109120, 119660, 131626, 135872, 169840, 191456, 239320, 263252, 329065, 339680, 382912, 478640, 526504, 658130, 679360, 957280, 1053008, 1316260, 1914560, 2106016, 2632520, 4212032, 5265040, 10530080, 21060160]

約数ペア:

[(1, 21060160), (2, 10530080), (4, 5265040), (5, 4212032), (8, 2632520), (10, 2106016), (11, 1914560), (16, 1316260), (20, 1053008), (22, 957280), (31, 679360), (32, 658130), (40, 526504), (44, 478640), (55, 382912), (62, 339680), (64, 329065), (80, 263252), (88, 239320), (110, 191456), (124, 169840), (155, 135872), (160, 131626), (176, 119660), (193, 109120), (220, 95728), (248, 84920), (310, 67936), (320, 65813), (341, 61760), (352, 59830), (386, 54560), (440, 47864), (496, 42460), (620, 33968), (682, 30880), (704, 29915), (772, 27280), (880, 23932), (965, 21824), (992, 21230), (1240, 16984), (1364, 15440), (1544, 13640), (1705, 12352), (1760, 11966), (1930, 10912), (1984, 10615), (2123, 9920), (2480, 8492), (2728, 7720), (3088, 6820), (3410, 6176), (3520, 5983), (3860, 5456), (4246, 4960)]