21898492

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1451}}^1$

素因数の和:1487

約数の個数: 48

約数和(自身を含む): 48787200

約数和(自身を除く): 26888708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 1451, 2156, 2902, 3773, 5804, 7546, 10157, 15092, 15961, 20314, 31922, 40628, 63844, 71099, 111727, 142198, 223454, 284396, 446908, 497693, 782089, 995386, 1564178, 1990772, 3128356, 5474623, 10949246, 21898492]

約数ペア:

[(1, 21898492), (2, 10949246), (4, 5474623), (7, 3128356), (11, 1990772), (14, 1564178), (22, 995386), (28, 782089), (44, 497693), (49, 446908), (77, 284396), (98, 223454), (154, 142198), (196, 111727), (308, 71099), (343, 63844), (539, 40628), (686, 31922), (1078, 20314), (1372, 15961), (1451, 15092), (2156, 10157), (2902, 7546), (3773, 5804)]