21221224

素因数分解:

$2^3\times {\mathrm{587}}^1\times {\mathrm{4519}}^1$

素因数の和:5112

約数の個数: 16

約数和(自身を含む): 39866400

約数和(自身を除く): 18645176

約数列:

[1, 2, 4, 8, 587, 1174, 2348, 4519, 4696, 9038, 18076, 36152, 2652653, 5305306, 10610612, 21221224]

約数ペア:

[(1, 21221224), (2, 10610612), (4, 5305306), (8, 2652653), (587, 36152), (1174, 18076), (2348, 9038), (4519, 4696)]