21960048

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 65968000

約数和(自身を除く): 44007952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 121, 132, 152, 176, 199, 209, 228, 242, 264, 304, 363, 398, 418, 456, 484, 528, 597, 627, 726, 796, 836, 912, 968, 1194, 1254, 1452, 1592, 1672, 1936, 2189, 2299, 2388, 2508, 2904, 3184, 3344, 3781, 4378, 4598, 4776, 5016, 5808, 6567, 6897, 7562, 8756, 9196, 9552, 10032, 11343, 13134, 13794, 15124, 17512, 18392, 22686, 24079, 26268, 27588, 30248, 35024, 36784, 41591, 45372, 48158, 52536, 55176, 60496, 72237, 83182, 90744, 96316, 105072, 110352, 124773, 144474, 166364, 181488, 192632, 249546, 288948, 332728, 385264, 457501, 499092, 577896, 665456, 915002, 998184, 1155792, 1372503, 1830004, 1996368, 2745006, 3660008, 5490012, 7320016, 10980024, 21960048]

約数ペア:

[(1, 21960048), (2, 10980024), (3, 7320016), (4, 5490012), (6, 3660008), (8, 2745006), (11, 1996368), (12, 1830004), (16, 1372503), (19, 1155792), (22, 998184), (24, 915002), (33, 665456), (38, 577896), (44, 499092), (48, 457501), (57, 385264), (66, 332728), (76, 288948), (88, 249546), (114, 192632), (121, 181488), (132, 166364), (152, 144474), (176, 124773), (199, 110352), (209, 105072), (228, 96316), (242, 90744), (264, 83182), (304, 72237), (363, 60496), (398, 55176), (418, 52536), (456, 48158), (484, 45372), (528, 41591), (597, 36784), (627, 35024), (726, 30248), (796, 27588), (836, 26268), (912, 24079), (968, 22686), (1194, 18392), (1254, 17512), (1452, 15124), (1592, 13794), (1672, 13134), (1936, 11343), (2189, 10032), (2299, 9552), (2388, 9196), (2508, 8756), (2904, 7562), (3184, 6897), (3344, 6567), (3781, 5808), (4378, 5016), (4598, 4776)]