21305522

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89519}}^1$

素因数の和:89545

約数の個数: 16

約数和(自身を含む): 38672640

約数和(自身を除く): 17367118

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 89519, 179038, 626633, 1253266, 1521823, 3043646, 10652761, 21305522]

約数ペア:

[(1, 21305522), (2, 10652761), (7, 3043646), (14, 1521823), (17, 1253266), (34, 626633), (119, 179038), (238, 89519)]