21000535727873

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1433}}^1\times {\mathrm{65053}}^1$

素因数の和:66586

約数の個数: 48

約数和(自身を含む): 24036813909504

約数和(自身を除く): 3036278181631

約数列:

[1, 13, 31, 43, 169, 403, 559, 1333, 1433, 5239, 7267, 17329, 18629, 44423, 61619, 65053, 225277, 242177, 577499, 801047, 845689, 1910189, 2016643, 2797279, 7507487, 10413611, 10993957, 24832457, 26216359, 36364627, 86715649, 93220949, 322821941, 340812667, 472740151, 1127303437, 1211872337, 2889849419, 4008500807, 14654944681, 15754340381, 37568042447, 52110510491, 124263525017, 488384551811, 677436636383, 1615425825221, 21000535727873]

約数ペア:

[(1, 21000535727873), (13, 1615425825221), (31, 677436636383), (43, 488384551811), (169, 124263525017), (403, 52110510491), (559, 37568042447), (1333, 15754340381), (1433, 14654944681), (5239, 4008500807), (7267, 2889849419), (17329, 1211872337), (18629, 1127303437), (44423, 472740151), (61619, 340812667), (65053, 322821941), (225277, 93220949), (242177, 86715649), (577499, 36364627), (801047, 26216359), (845689, 24832457), (1910189, 10993957), (2016643, 10413611), (2797279, 7507487)]