21098992

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{2753}}^1$

素因数の和:3240

約数の個数: 20

約数和(自身を含む): 40979520

約数和(自身を除く): 19880528

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 2753, 3832, 5506, 7664, 11012, 22024, 44048, 1318687, 2637374, 5274748, 10549496, 21098992]

約数ペア:

[(1, 21098992), (2, 10549496), (4, 5274748), (8, 2637374), (16, 1318687), (479, 44048), (958, 22024), (1916, 11012), (2753, 7664), (3832, 5506)]