21090616

素因数分解:

$2^3\times {\mathrm{1187}}^1\times {\mathrm{2221}}^1$

素因数の和:3414

約数の個数: 16

約数和(自身を含む): 39596040

約数和(自身を除く): 18505424

約数列:

[1, 2, 4, 8, 1187, 2221, 2374, 4442, 4748, 8884, 9496, 17768, 2636327, 5272654, 10545308, 21090616]

約数ペア:

[(1, 21090616), (2, 10545308), (4, 5272654), (8, 2636327), (1187, 17768), (2221, 9496), (2374, 8884), (4442, 4748)]