21922119

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 32684912

約数和(自身を除く): 10762793

約数列:

[1, 3, 9, 61, 73, 183, 219, 547, 549, 657, 1641, 4453, 4923, 13359, 33367, 39931, 40077, 100101, 119793, 300303, 359379, 2435791, 7307373, 21922119]

約数ペア:

[(1, 21922119), (3, 7307373), (9, 2435791), (61, 359379), (73, 300303), (183, 119793), (219, 100101), (547, 40077), (549, 39931), (657, 33367), (1641, 13359), (4453, 4923)]