21964578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 47744640

約数和(自身を除く): 25780062

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 159, 239, 289, 318, 478, 578, 717, 867, 901, 1434, 1734, 1802, 2703, 4063, 5406, 8126, 12189, 12667, 15317, 24378, 25334, 30634, 38001, 45951, 69071, 76002, 91902, 138142, 207213, 215339, 414426, 430678, 646017, 1292034, 3660763, 7321526, 10982289, 21964578]

約数ペア:

[(1, 21964578), (2, 10982289), (3, 7321526), (6, 3660763), (17, 1292034), (34, 646017), (51, 430678), (53, 414426), (102, 215339), (106, 207213), (159, 138142), (239, 91902), (289, 76002), (318, 69071), (478, 45951), (578, 38001), (717, 30634), (867, 25334), (901, 24378), (1434, 15317), (1734, 12667), (1802, 12189), (2703, 8126), (4063, 5406)]