21784878

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{39041}}^1$

素因数の和:39080

約数の個数: 24

約数和(自身を含む): 48724416

約数和(自身を除く): 26939538

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 39041, 78082, 117123, 234246, 351369, 702738, 1210271, 2420542, 3630813, 7261626, 10892439, 21784878]

約数ペア:

[(1, 21784878), (2, 10892439), (3, 7261626), (6, 3630813), (9, 2420542), (18, 1210271), (31, 702738), (62, 351369), (93, 234246), (186, 117123), (279, 78082), (558, 39041)]