21903320

素因数分解:

$2^3\times 5^1\times {\mathrm{547583}}^1$

素因数の和:547594

約数の個数: 16

約数和(自身を含む): 49282560

約数和(自身を除く): 27379240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547583, 1095166, 2190332, 2737915, 4380664, 5475830, 10951660, 21903320]

約数ペア:

[(1, 21903320), (2, 10951660), (4, 5475830), (5, 4380664), (8, 2737915), (10, 2190332), (20, 1095166), (40, 547583)]