21690652132

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{4909}}^1\times {\mathrm{10937}}^1$

素因数の和:15951

約数の個数: 24

約数和(自身を含む): 38345784120

約数和(自身を除く): 16655131988

約数列:

[1, 2, 4, 101, 202, 404, 4909, 9818, 10937, 19636, 21874, 43748, 495809, 991618, 1104637, 1983236, 2209274, 4418548, 53689733, 107379466, 214758932, 5422663033, 10845326066, 21690652132]

約数ペア:

[(1, 21690652132), (2, 10845326066), (4, 5422663033), (101, 214758932), (202, 107379466), (404, 53689733), (4909, 4418548), (9818, 2209274), (10937, 1983236), (19636, 1104637), (21874, 991618), (43748, 495809)]