21451328

素因数分解:

$2^6\times {\mathrm{571}}^1\times {\mathrm{587}}^1$

素因数の和:1170

約数の個数: 28

約数和(自身を含む): 42714672

約数和(自身を除く): 21263344

約数列:

[1, 2, 4, 8, 16, 32, 64, 571, 587, 1142, 1174, 2284, 2348, 4568, 4696, 9136, 9392, 18272, 18784, 36544, 37568, 335177, 670354, 1340708, 2681416, 5362832, 10725664, 21451328]

約数ペア:

[(1, 21451328), (2, 10725664), (4, 5362832), (8, 2681416), (16, 1340708), (32, 670354), (64, 335177), (571, 37568), (587, 36544), (1142, 18784), (1174, 18272), (2284, 9392), (2348, 9136), (4568, 4696)]