21776510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6619}}^1$

素因数の和:6680

約数の個数: 32

約数和(自身を含む): 45757440

約数和(自身を除く): 23980930

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6619, 13238, 33095, 46333, 66190, 92666, 231665, 311093, 463330, 622186, 1555465, 2177651, 3110930, 4355302, 10888255, 21776510]

約数ペア:

[(1, 21776510), (2, 10888255), (5, 4355302), (7, 3110930), (10, 2177651), (14, 1555465), (35, 622186), (47, 463330), (70, 311093), (94, 231665), (235, 92666), (329, 66190), (470, 46333), (658, 33095), (1645, 13238), (3290, 6619)]