21877432

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{4253}}^1$

素因数の和:4902

約数の個数: 16

約数和(自身を含む): 41093640

約数和(自身を除く): 19216208

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 4253, 5144, 8506, 17012, 34024, 2734679, 5469358, 10938716, 21877432]

約数ペア:

[(1, 21877432), (2, 10938716), (4, 5469358), (8, 2734679), (643, 34024), (1286, 17012), (2572, 8506), (4253, 5144)]