21820724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2999}}^1$

素因数の和:3127

約数の個数: 24

約数和(自身を含む): 40824000

約数和(自身を除く): 19003276

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2999, 3638, 5998, 7276, 11996, 50983, 101966, 203932, 320893, 641786, 1283572, 5455181, 10910362, 21820724]

約数ペア:

[(1, 21820724), (2, 10910362), (4, 5455181), (17, 1283572), (34, 641786), (68, 320893), (107, 203932), (214, 101966), (428, 50983), (1819, 11996), (2999, 7276), (3638, 5998)]