21724648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1427}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 23000312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1384, 1427, 1903, 2854, 3806, 5708, 7612, 11416, 15224, 15697, 31394, 62788, 125576, 246871, 493742, 987484, 1974968, 2715581, 5431162, 10862324, 21724648]

約数ペア:

[(1, 21724648), (2, 10862324), (4, 5431162), (8, 2715581), (11, 1974968), (22, 987484), (44, 493742), (88, 246871), (173, 125576), (346, 62788), (692, 31394), (1384, 15697), (1427, 15224), (1903, 11416), (2854, 7612), (3806, 5708)]