21615670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3024

約数の個数: 32

約数和(自身を含む): 42169248

約数和(自身を除く): 20553578

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2957, 3655, 5914, 7310, 14785, 29570, 50269, 100538, 127151, 251345, 254302, 502690, 635755, 1271510, 2161567, 4323134, 10807835, 21615670]

約数ペア:

[(1, 21615670), (2, 10807835), (5, 4323134), (10, 2161567), (17, 1271510), (34, 635755), (43, 502690), (85, 254302), (86, 251345), (170, 127151), (215, 100538), (430, 50269), (731, 29570), (1462, 14785), (2957, 7310), (3655, 5914)]