21114560

素因数分解:

$2^6\times 5^1\times {\mathrm{65983}}^1$

素因数の和:66000

約数の個数: 28

約数和(自身を含む): 50279808

約数和(自身を除く): 29165248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65983, 131966, 263932, 329915, 527864, 659830, 1055728, 1319660, 2111456, 2639320, 4222912, 5278640, 10557280, 21114560]

約数ペア:

[(1, 21114560), (2, 10557280), (4, 5278640), (5, 4222912), (8, 2639320), (10, 2111456), (16, 1319660), (20, 1055728), (32, 659830), (40, 527864), (64, 329915), (80, 263932), (160, 131966), (320, 65983)]