21721554

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{9811}}^1$

素因数の和:9863

約数の個数: 32

約数和(自身を含む): 49452480

約数和(自身を除く): 27730926

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 9811, 19622, 29433, 58866, 88299, 176598, 264897, 402251, 529794, 804502, 1206753, 2413506, 3620259, 7240518, 10860777, 21721554]

約数ペア:

[(1, 21721554), (2, 10860777), (3, 7240518), (6, 3620259), (9, 2413506), (18, 1206753), (27, 804502), (41, 529794), (54, 402251), (82, 264897), (123, 176598), (246, 88299), (369, 58866), (738, 29433), (1107, 19622), (2214, 9811)]