21971982

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89317}}^1$

素因数の和:89363

約数の個数: 16

約数和(自身を含む): 45016272

約数和(自身を除く): 23044290

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 89317, 178634, 267951, 535902, 3661997, 7323994, 10985991, 21971982]

約数ペア:

[(1, 21971982), (2, 10985991), (3, 7323994), (6, 3661997), (41, 535902), (82, 267951), (123, 178634), (246, 89317)]