21194852

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6361}}^1$

素因数の和:6396

約数の個数: 36

約数和(自身を含む): 45691884

約数和(自身を除く): 24497032

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6361, 12722, 25444, 44527, 89054, 108137, 178108, 216274, 311689, 432548, 623378, 756959, 1246756, 1513918, 3027836, 5298713, 10597426, 21194852]

約数ペア:

[(1, 21194852), (2, 10597426), (4, 5298713), (7, 3027836), (14, 1513918), (17, 1246756), (28, 756959), (34, 623378), (49, 432548), (68, 311689), (98, 216274), (119, 178108), (196, 108137), (238, 89054), (476, 44527), (833, 25444), (1666, 12722), (3332, 6361)]