21007024

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{2741}}^1$

素因数の和:3228

約数の個数: 20

約数和(自身を含む): 40800960

約数和(自身を除く): 19793936

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 2741, 3832, 5482, 7664, 10964, 21928, 43856, 1312939, 2625878, 5251756, 10503512, 21007024]

約数ペア:

[(1, 21007024), (2, 10503512), (4, 5251756), (8, 2625878), (16, 1312939), (479, 43856), (958, 21928), (1916, 10964), (2741, 7664), (3832, 5482)]