21426156968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1395659}}^1$

素因数の和:1395785

約数の個数: 32

約数和(自身を含む): 42707196000

約数和(自身を除く): 21281039032

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1919, 3838, 7676, 15352, 1395659, 2791318, 5582636, 11165272, 26517521, 53035042, 106070084, 140961559, 212140168, 281923118, 563846236, 1127692472, 2678269621, 5356539242, 10713078484, 21426156968]

約数ペア:

[(1, 21426156968), (2, 10713078484), (4, 5356539242), (8, 2678269621), (19, 1127692472), (38, 563846236), (76, 281923118), (101, 212140168), (152, 140961559), (202, 106070084), (404, 53035042), (808, 26517521), (1919, 11165272), (3838, 5582636), (7676, 2791318), (15352, 1395659)]