20921916

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8263}}^1$

素因数の和:8481

約数の個数: 24

約数和(自身を含む): 49055104

約数和(自身を除く): 28133188

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8263, 16526, 24789, 33052, 49578, 99156, 1743493, 3486986, 5230479, 6973972, 10460958, 20921916]

約数ペア:

[(1, 20921916), (2, 10460958), (3, 6973972), (4, 5230479), (6, 3486986), (12, 1743493), (211, 99156), (422, 49578), (633, 33052), (844, 24789), (1266, 16526), (2532, 8263)]