21082496

素因数分解:

$2^7\times {\mathrm{164707}}^1$

素因数の和:164721

約数の個数: 16

約数和(自身を含む): 42000540

約数和(自身を除く): 20918044

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 164707, 329414, 658828, 1317656, 2635312, 5270624, 10541248, 21082496]

約数ペア:

[(1, 21082496), (2, 10541248), (4, 5270624), (8, 2635312), (16, 1317656), (32, 658828), (64, 329414), (128, 164707)]