21937188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20089}}^1$

素因数の和:20116

約数の個数: 48

約数和(自身を含む): 63002240

約数和(自身を除く): 41065052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 20089, 40178, 60267, 80356, 120534, 140623, 241068, 261157, 281246, 421869, 522314, 562492, 783471, 843738, 1044628, 1566942, 1687476, 1828099, 3133884, 3656198, 5484297, 7312396, 10968594, 21937188]

約数ペア:

[(1, 21937188), (2, 10968594), (3, 7312396), (4, 5484297), (6, 3656198), (7, 3133884), (12, 1828099), (13, 1687476), (14, 1566942), (21, 1044628), (26, 843738), (28, 783471), (39, 562492), (42, 522314), (52, 421869), (78, 281246), (84, 261157), (91, 241068), (156, 140623), (182, 120534), (273, 80356), (364, 60267), (546, 40178), (1092, 20089)]