21312592

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 48851040

約数和(自身を除く): 27538448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 139, 148, 259, 278, 296, 518, 556, 592, 973, 1036, 1112, 1369, 1946, 2072, 2224, 2738, 3892, 4144, 5143, 5476, 7784, 9583, 10286, 10952, 15568, 19166, 20572, 21904, 36001, 38332, 41144, 72002, 76664, 82288, 144004, 153328, 190291, 288008, 380582, 576016, 761164, 1332037, 1522328, 2664074, 3044656, 5328148, 10656296, 21312592]

約数ペア:

[(1, 21312592), (2, 10656296), (4, 5328148), (7, 3044656), (8, 2664074), (14, 1522328), (16, 1332037), (28, 761164), (37, 576016), (56, 380582), (74, 288008), (112, 190291), (139, 153328), (148, 144004), (259, 82288), (278, 76664), (296, 72002), (518, 41144), (556, 38332), (592, 36001), (973, 21904), (1036, 20572), (1112, 19166), (1369, 15568), (1946, 10952), (2072, 10286), (2224, 9583), (2738, 7784), (3892, 5476), (4144, 5143)]