21005802

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40241}}^1$

素因数の和:40278

約数の個数: 24

約数和(自身を含む): 47083140

約数和(自身を除く): 26077338

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40241, 80482, 120723, 241446, 362169, 724338, 1166989, 2333978, 3500967, 7001934, 10502901, 21005802]

約数ペア:

[(1, 21005802), (2, 10502901), (3, 7001934), (6, 3500967), (9, 2333978), (18, 1166989), (29, 724338), (58, 362169), (87, 241446), (174, 120723), (261, 80482), (522, 40241)]