21343374

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 50162112

約数和(自身を除く): 28818738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 197, 234, 394, 463, 591, 926, 1182, 1389, 1773, 2561, 2778, 3546, 4167, 5122, 6019, 7683, 8334, 12038, 15366, 18057, 23049, 36114, 46098, 54171, 91211, 108342, 182422, 273633, 547266, 820899, 1185743, 1641798, 2371486, 3557229, 7114458, 10671687, 21343374]

約数ペア:

[(1, 21343374), (2, 10671687), (3, 7114458), (6, 3557229), (9, 2371486), (13, 1641798), (18, 1185743), (26, 820899), (39, 547266), (78, 273633), (117, 182422), (197, 108342), (234, 91211), (394, 54171), (463, 46098), (591, 36114), (926, 23049), (1182, 18057), (1389, 15366), (1773, 12038), (2561, 8334), (2778, 7683), (3546, 6019), (4167, 5122)]