21724616

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40531}}^1$

素因数の和:40604

約数の個数: 16

約数和(自身を含む): 41342640

約数和(自身を除く): 19618024

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40531, 81062, 162124, 324248, 2715577, 5431154, 10862308, 21724616]

約数ペア:

[(1, 21724616), (2, 10862308), (4, 5431154), (8, 2715577), (67, 324248), (134, 162124), (268, 81062), (536, 40531)]