21521170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1093}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 42534720

約数和(自身を除く): 21013550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1093, 1790, 1969, 2186, 3938, 5465, 9845, 10930, 12023, 19690, 24046, 60115, 120230, 195647, 391294, 978235, 1956470, 2152117, 4304234, 10760585, 21521170]

約数ペア:

[(1, 21521170), (2, 10760585), (5, 4304234), (10, 2152117), (11, 1956470), (22, 978235), (55, 391294), (110, 195647), (179, 120230), (358, 60115), (895, 24046), (1093, 19690), (1790, 12023), (1969, 10930), (2186, 9845), (3938, 5465)]