10421991

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 15815280

約数和(自身を除く): 5393289

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 547, 657, 1641, 2117, 4923, 6351, 15863, 19053, 39931, 47589, 119793, 142767, 359379, 1157999, 3473997, 10421991]

約数ペア:

[(1, 10421991), (3, 3473997), (9, 1157999), (29, 359379), (73, 142767), (87, 119793), (219, 47589), (261, 39931), (547, 19053), (657, 15863), (1641, 6351), (2117, 4923)]