21596200

素因数分解:

$2^3\times 5^2\times {\mathrm{107981}}^1$

素因数の和:107997

約数の個数: 24

約数和(自身を含む): 50211630

約数和(自身を除く): 28615430

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107981, 215962, 431924, 539905, 863848, 1079810, 2159620, 2699525, 4319240, 5399050, 10798100, 21596200]

約数ペア:

[(1, 21596200), (2, 10798100), (4, 5399050), (5, 4319240), (8, 2699525), (10, 2159620), (20, 1079810), (25, 863848), (40, 539905), (50, 431924), (100, 215962), (200, 107981)]