21290274

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{4397}}^1$

素因数の和:4674

約数の個数: 24

約数和(自身を含む): 46310940

約数和(自身を除く): 25020666

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4397, 4842, 8794, 13191, 26382, 39573, 79146, 1182793, 2365586, 3548379, 7096758, 10645137, 21290274]

約数ペア:

[(1, 21290274), (2, 10645137), (3, 7096758), (6, 3548379), (9, 2365586), (18, 1182793), (269, 79146), (538, 39573), (807, 26382), (1614, 13191), (2421, 8794), (4397, 4842)]