21452776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{677}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 42836040

約数和(自身を除く): 21383264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 233, 466, 677, 932, 1354, 1864, 2708, 3961, 5416, 7922, 11509, 15844, 23018, 31688, 46036, 92072, 157741, 315482, 630964, 1261928, 2681597, 5363194, 10726388, 21452776]

約数ペア:

[(1, 21452776), (2, 10726388), (4, 5363194), (8, 2681597), (17, 1261928), (34, 630964), (68, 315482), (136, 157741), (233, 92072), (466, 46036), (677, 31688), (932, 23018), (1354, 15844), (1864, 11509), (2708, 7922), (3961, 5416)]