21171567452

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1\times {\mathrm{17471}}^1$

素因数の和:17978

約数の個数: 48

約数和(自身を含む): 42831839232

約数和(自身を除く): 21660271780

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 383, 452, 766, 791, 1532, 1582, 2681, 3164, 5362, 10724, 17471, 34942, 43279, 69884, 86558, 122297, 173116, 244594, 302953, 489188, 605906, 1211812, 1974223, 3948446, 6691393, 7896892, 13382786, 13819561, 26765572, 27639122, 46839751, 55278244, 93679502, 187359004, 756127409, 1512254818, 3024509636, 5292891863, 10585783726, 21171567452]

約数ペア:

[(1, 21171567452), (2, 10585783726), (4, 5292891863), (7, 3024509636), (14, 1512254818), (28, 756127409), (113, 187359004), (226, 93679502), (383, 55278244), (452, 46839751), (766, 27639122), (791, 26765572), (1532, 13819561), (1582, 13382786), (2681, 7896892), (3164, 6691393), (5362, 3948446), (10724, 1974223), (17471, 1211812), (34942, 605906), (43279, 489188), (69884, 302953), (86558, 244594), (122297, 173116)]