21377856

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 112

約数和(自身を含む): 60862464

約数和(自身を除く): 39484608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 47, 48, 64, 69, 92, 94, 96, 103, 138, 141, 184, 188, 192, 206, 276, 282, 309, 368, 376, 412, 552, 564, 618, 736, 752, 824, 1081, 1104, 1128, 1236, 1472, 1504, 1648, 2162, 2208, 2256, 2369, 2472, 3008, 3243, 3296, 4324, 4416, 4512, 4738, 4841, 4944, 6486, 6592, 7107, 8648, 9024, 9476, 9682, 9888, 12972, 14214, 14523, 17296, 18952, 19364, 19776, 25944, 28428, 29046, 34592, 37904, 38728, 51888, 56856, 58092, 69184, 75808, 77456, 103776, 111343, 113712, 116184, 151616, 154912, 207552, 222686, 227424, 232368, 309824, 334029, 445372, 454848, 464736, 668058, 890744, 929472, 1336116, 1781488, 2672232, 3562976, 5344464, 7125952, 10688928, 21377856]

約数ペア:

[(1, 21377856), (2, 10688928), (3, 7125952), (4, 5344464), (6, 3562976), (8, 2672232), (12, 1781488), (16, 1336116), (23, 929472), (24, 890744), (32, 668058), (46, 464736), (47, 454848), (48, 445372), (64, 334029), (69, 309824), (92, 232368), (94, 227424), (96, 222686), (103, 207552), (138, 154912), (141, 151616), (184, 116184), (188, 113712), (192, 111343), (206, 103776), (276, 77456), (282, 75808), (309, 69184), (368, 58092), (376, 56856), (412, 51888), (552, 38728), (564, 37904), (618, 34592), (736, 29046), (752, 28428), (824, 25944), (1081, 19776), (1104, 19364), (1128, 18952), (1236, 17296), (1472, 14523), (1504, 14214), (1648, 12972), (2162, 9888), (2208, 9682), (2256, 9476), (2369, 9024), (2472, 8648), (3008, 7107), (3243, 6592), (3296, 6486), (4324, 4944), (4416, 4841), (4512, 4738)]