21464658

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 27544302

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 139, 207, 278, 373, 414, 417, 746, 834, 1119, 1251, 2238, 2502, 3197, 3357, 6394, 6714, 8579, 9591, 17158, 19182, 25737, 28773, 51474, 51847, 57546, 77211, 103694, 154422, 155541, 311082, 466623, 933246, 1192481, 2384962, 3577443, 7154886, 10732329, 21464658]

約数ペア:

[(1, 21464658), (2, 10732329), (3, 7154886), (6, 3577443), (9, 2384962), (18, 1192481), (23, 933246), (46, 466623), (69, 311082), (138, 155541), (139, 154422), (207, 103694), (278, 77211), (373, 57546), (414, 51847), (417, 51474), (746, 28773), (834, 25737), (1119, 19182), (1251, 17158), (2238, 9591), (2502, 8579), (3197, 6714), (3357, 6394)]