21484328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3853}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 43704360

約数和(自身を除く): 22220032

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3853, 5576, 7706, 15412, 30824, 65501, 131002, 157973, 262004, 315946, 524008, 631892, 1263784, 2685541, 5371082, 10742164, 21484328]

約数ペア:

[(1, 21484328), (2, 10742164), (4, 5371082), (8, 2685541), (17, 1263784), (34, 631892), (41, 524008), (68, 315946), (82, 262004), (136, 157973), (164, 131002), (328, 65501), (697, 30824), (1394, 15412), (2788, 7706), (3853, 5576)]