42921808

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{40039}}^1$

素因数の和:40114

約数の個数: 20

約数和(自身を含む): 84404320

約数和(自身を除く): 41482512

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 40039, 80078, 160156, 320312, 640624, 2682613, 5365226, 10730452, 21460904, 42921808]

約数ペア:

[(1, 42921808), (2, 21460904), (4, 10730452), (8, 5365226), (16, 2682613), (67, 640624), (134, 320312), (268, 160156), (536, 80078), (1072, 40039)]