16721838

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{18959}}^1$

素因数の和:18981

約数の個数: 36

約数和(自身を含む): 42148080

約数和(自身を除く): 25426242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 18959, 37918, 56877, 113754, 132713, 170631, 265426, 341262, 398139, 796278, 928991, 1194417, 1857982, 2388834, 2786973, 5573946, 8360919, 16721838]

約数ペア:

[(1, 16721838), (2, 8360919), (3, 5573946), (6, 2786973), (7, 2388834), (9, 1857982), (14, 1194417), (18, 928991), (21, 796278), (42, 398139), (49, 341262), (63, 265426), (98, 170631), (126, 132713), (147, 113754), (294, 56877), (441, 37918), (882, 18959)]