21872286

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5449}}^1$

素因数の和:5680

約数の個数: 24

約数和(自身を含む): 47611200

約数和(自身を除く): 25738914

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 5449, 10898, 16347, 32694, 49041, 98082, 1215127, 2430254, 3645381, 7290762, 10936143, 21872286]

約数ペア:

[(1, 21872286), (2, 10936143), (3, 7290762), (6, 3645381), (9, 2430254), (18, 1215127), (223, 98082), (446, 49041), (669, 32694), (1338, 16347), (2007, 10898), (4014, 5449)]