21123156978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15240373}}^1$

素因数の和:15240399

約数の個数: 48

約数和(自身を含む): 57059960256

約数和(自身を除く): 35936803278

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15240373, 30480746, 45721119, 91442238, 106682611, 137163357, 167644103, 213365222, 274326714, 320047833, 335288206, 502932309, 640095666, 960143499, 1005864618, 1173508721, 1508796927, 1920286998, 2347017442, 3017593854, 3520526163, 7041052326, 10561578489, 21123156978]

約数ペア:

[(1, 21123156978), (2, 10561578489), (3, 7041052326), (6, 3520526163), (7, 3017593854), (9, 2347017442), (11, 1920286998), (14, 1508796927), (18, 1173508721), (21, 1005864618), (22, 960143499), (33, 640095666), (42, 502932309), (63, 335288206), (66, 320047833), (77, 274326714), (99, 213365222), (126, 167644103), (154, 137163357), (198, 106682611), (231, 91442238), (462, 45721119), (693, 30480746), (1386, 15240373)]