21199476

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103919}}^1$

素因数の和:103943

約数の個数: 24

約数和(自身を含む): 52375680

約数和(自身を除く): 31176204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103919, 207838, 311757, 415676, 623514, 1247028, 1766623, 3533246, 5299869, 7066492, 10599738, 21199476]

約数ペア:

[(1, 21199476), (2, 10599738), (3, 7066492), (4, 5299869), (6, 3533246), (12, 1766623), (17, 1247028), (34, 623514), (51, 415676), (68, 311757), (102, 207838), (204, 103919)]