21341290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2671}}^1$

素因数の和:2742

約数の個数: 32

約数和(自身を含む): 41554944

約数和(自身を除く): 20213654

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2671, 3995, 5342, 7990, 13355, 26710, 45407, 90814, 125537, 227035, 251074, 454070, 627685, 1255370, 2134129, 4268258, 10670645, 21341290]

約数ペア:

[(1, 21341290), (2, 10670645), (5, 4268258), (10, 2134129), (17, 1255370), (34, 627685), (47, 454070), (85, 251074), (94, 227035), (170, 125537), (235, 90814), (470, 45407), (799, 26710), (1598, 13355), (2671, 7990), (3995, 5342)]