21109428

素因数分解:

$2^2\times 3^2\times {\mathrm{383}}^1\times {\mathrm{1531}}^1$

素因数の和:1924

約数の個数: 36

約数和(自身を含む): 53534208

約数和(自身を除く): 32424780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 383, 766, 1149, 1531, 1532, 2298, 3062, 3447, 4593, 4596, 6124, 6894, 9186, 13779, 13788, 18372, 27558, 55116, 586373, 1172746, 1759119, 2345492, 3518238, 5277357, 7036476, 10554714, 21109428]

約数ペア:

[(1, 21109428), (2, 10554714), (3, 7036476), (4, 5277357), (6, 3518238), (9, 2345492), (12, 1759119), (18, 1172746), (36, 586373), (383, 55116), (766, 27558), (1149, 18372), (1531, 13788), (1532, 13779), (2298, 9186), (3062, 6894), (3447, 6124), (4593, 4596)]