21056300

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1091}}^1$

素因数の和:1298

約数の個数: 36

約数和(自身を含む): 45971016

約数和(自身を除く): 24914716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1091, 1930, 2182, 3860, 4364, 4825, 5455, 9650, 10910, 19300, 21820, 27275, 54550, 109100, 210563, 421126, 842252, 1052815, 2105630, 4211260, 5264075, 10528150, 21056300]

約数ペア:

[(1, 21056300), (2, 10528150), (4, 5264075), (5, 4211260), (10, 2105630), (20, 1052815), (25, 842252), (50, 421126), (100, 210563), (193, 109100), (386, 54550), (772, 27275), (965, 21820), (1091, 19300), (1930, 10910), (2182, 9650), (3860, 5455), (4364, 4825)]