21398006

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2251}}^1$

素因数の和:2364

約数の個数: 24

約数和(自身を含む): 37739016

約数和(自身を除く): 16341010

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 2251, 4502, 4753, 9506, 15757, 31514, 110299, 218347, 220598, 436694, 1528429, 3056858, 10699003, 21398006]

約数ペア:

[(1, 21398006), (2, 10699003), (7, 3056858), (14, 1528429), (49, 436694), (97, 220598), (98, 218347), (194, 110299), (679, 31514), (1358, 15757), (2251, 9506), (4502, 4753)]