21647688

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1637}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37320312

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 57, 58, 76, 87, 114, 116, 152, 174, 228, 232, 348, 456, 551, 696, 1102, 1637, 1653, 2204, 3274, 3306, 4408, 4911, 6548, 6612, 9822, 13096, 13224, 19644, 31103, 39288, 47473, 62206, 93309, 94946, 124412, 142419, 186618, 189892, 248824, 284838, 373236, 379784, 569676, 746472, 901987, 1139352, 1803974, 2705961, 3607948, 5411922, 7215896, 10823844, 21647688]

約数ペア:

[(1, 21647688), (2, 10823844), (3, 7215896), (4, 5411922), (6, 3607948), (8, 2705961), (12, 1803974), (19, 1139352), (24, 901987), (29, 746472), (38, 569676), (57, 379784), (58, 373236), (76, 284838), (87, 248824), (114, 189892), (116, 186618), (152, 142419), (174, 124412), (228, 94946), (232, 93309), (348, 62206), (456, 47473), (551, 39288), (696, 31103), (1102, 19644), (1637, 13224), (1653, 13096), (2204, 9822), (3274, 6612), (3306, 6548), (4408, 4911)]