21474080

素因数分解:

$2^5\times 5^1\times {\mathrm{134213}}^1$

素因数の和:134228

約数の個数: 24

約数和(自身を含む): 50732892

約数和(自身を除く): 29258812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134213, 268426, 536852, 671065, 1073704, 1342130, 2147408, 2684260, 4294816, 5368520, 10737040, 21474080]

約数ペア:

[(1, 21474080), (2, 10737040), (4, 5368520), (5, 4294816), (8, 2684260), (10, 2147408), (16, 1342130), (20, 1073704), (32, 671065), (40, 536852), (80, 268426), (160, 134213)]