21091854

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71741}}^1$

素因数の和:71760

約数の個数: 24

約数和(自身を含む): 49071528

約数和(自身を除く): 27979674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71741, 143482, 215223, 430446, 502187, 1004374, 1506561, 3013122, 3515309, 7030618, 10545927, 21091854]

約数ペア:

[(1, 21091854), (2, 10545927), (3, 7030618), (6, 3515309), (7, 3013122), (14, 1506561), (21, 1004374), (42, 502187), (49, 430446), (98, 215223), (147, 143482), (294, 71741)]