21031234

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16879}}^1$

素因数の和:16977

約数の個数: 16

約数和(自身を含む): 36460800

約数和(自身を除く): 15429566

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16879, 33758, 118153, 236306, 1502231, 3004462, 10515617, 21031234]

約数ペア:

[(1, 21031234), (2, 10515617), (7, 3004462), (14, 1502231), (89, 236306), (178, 118153), (623, 33758), (1246, 16879)]