21302554

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 20525414

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 161, 182, 299, 322, 598, 637, 727, 1127, 1274, 1454, 2093, 2254, 4186, 5089, 9451, 10178, 14651, 16721, 18902, 29302, 33442, 35623, 66157, 71246, 117047, 132314, 217373, 234094, 434746, 463099, 819329, 926198, 1521611, 1638658, 3043222, 10651277, 21302554]

約数ペア:

[(1, 21302554), (2, 10651277), (7, 3043222), (13, 1638658), (14, 1521611), (23, 926198), (26, 819329), (46, 463099), (49, 434746), (91, 234094), (98, 217373), (161, 132314), (182, 117047), (299, 71246), (322, 66157), (598, 35623), (637, 33442), (727, 29302), (1127, 18902), (1274, 16721), (1454, 14651), (2093, 10178), (2254, 9451), (4186, 5089)]