21882780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121571}}^1$

素因数の和:121586

約数の個数: 36

約数和(自身を含む): 66378312

約数和(自身を除く): 44495532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121571, 243142, 364713, 486284, 607855, 729426, 1094139, 1215710, 1458852, 1823565, 2188278, 2431420, 3647130, 4376556, 5470695, 7294260, 10941390, 21882780]

約数ペア:

[(1, 21882780), (2, 10941390), (3, 7294260), (4, 5470695), (5, 4376556), (6, 3647130), (9, 2431420), (10, 2188278), (12, 1823565), (15, 1458852), (18, 1215710), (20, 1094139), (30, 729426), (36, 607855), (45, 486284), (60, 364713), (90, 243142), (180, 121571)]