21624136

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 44208000

約数和(自身を除く): 22583864

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 199, 289, 376, 398, 578, 796, 799, 1156, 1592, 1598, 2312, 3196, 3383, 6392, 6766, 9353, 13532, 13583, 18706, 27064, 27166, 37412, 54332, 57511, 74824, 108664, 115022, 159001, 230044, 318002, 460088, 636004, 1272008, 2703017, 5406034, 10812068, 21624136]

約数ペア:

[(1, 21624136), (2, 10812068), (4, 5406034), (8, 2703017), (17, 1272008), (34, 636004), (47, 460088), (68, 318002), (94, 230044), (136, 159001), (188, 115022), (199, 108664), (289, 74824), (376, 57511), (398, 54332), (578, 37412), (796, 27166), (799, 27064), (1156, 18706), (1592, 13583), (1598, 13532), (2312, 9353), (3196, 6766), (3383, 6392)]