21811578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4973}}^1$

素因数の和:5038

約数の個数: 32

約数和(自身を含む): 47272896

約数和(自身を除く): 25461318

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4973, 9946, 14919, 29838, 84541, 169082, 213839, 253623, 427678, 507246, 641517, 1283034, 3635263, 7270526, 10905789, 21811578]

約数ペア:

[(1, 21811578), (2, 10905789), (3, 7270526), (6, 3635263), (17, 1283034), (34, 641517), (43, 507246), (51, 427678), (86, 253623), (102, 213839), (129, 169082), (258, 84541), (731, 29838), (1462, 14919), (2193, 9946), (4386, 4973)]