21326942

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 42747264

約数和(自身を除く): 21420322

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 61, 91, 113, 119, 122, 182, 221, 226, 238, 427, 442, 791, 793, 854, 1037, 1469, 1547, 1582, 1586, 1921, 2074, 2938, 3094, 3842, 5551, 6893, 7259, 10283, 11102, 13447, 13481, 13786, 14518, 20566, 24973, 26894, 26962, 48251, 49946, 89609, 94367, 96502, 117181, 174811, 179218, 188734, 234362, 349622, 627263, 820267, 1254526, 1523353, 1640534, 3046706, 10663471, 21326942]

約数ペア:

[(1, 21326942), (2, 10663471), (7, 3046706), (13, 1640534), (14, 1523353), (17, 1254526), (26, 820267), (34, 627263), (61, 349622), (91, 234362), (113, 188734), (119, 179218), (122, 174811), (182, 117181), (221, 96502), (226, 94367), (238, 89609), (427, 49946), (442, 48251), (791, 26962), (793, 26894), (854, 24973), (1037, 20566), (1469, 14518), (1547, 13786), (1582, 13481), (1586, 13447), (1921, 11102), (2074, 10283), (2938, 7259), (3094, 6893), (3842, 5551)]