21555592

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{449}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 43011000

約数和(自身を除く): 21455408

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 353, 449, 706, 898, 1412, 1796, 2824, 3592, 6001, 7633, 12002, 15266, 24004, 30532, 48008, 61064, 158497, 316994, 633988, 1267976, 2694449, 5388898, 10777796, 21555592]

約数ペア:

[(1, 21555592), (2, 10777796), (4, 5388898), (8, 2694449), (17, 1267976), (34, 633988), (68, 316994), (136, 158497), (353, 61064), (449, 48008), (706, 30532), (898, 24004), (1412, 15266), (1796, 12002), (2824, 7633), (3592, 6001)]