21901952

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 43982400

約数和(自身を除く): 22080448

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 1231, 2224, 2462, 4448, 4924, 8896, 9848, 17792, 19696, 39392, 78784, 157568, 171109, 342218, 684436, 1368872, 2737744, 5475488, 10950976, 21901952]

約数ペア:

[(1, 21901952), (2, 10950976), (4, 5475488), (8, 2737744), (16, 1368872), (32, 684436), (64, 342218), (128, 171109), (139, 157568), (278, 78784), (556, 39392), (1112, 19696), (1231, 17792), (2224, 9848), (2462, 8896), (4448, 4924)]