21000343400

素因数分解:

$2^3\times 5^2\times {\mathrm{105001717}}^1$

素因数の和:105001733

約数の個数: 24

約数和(自身を含む): 48825798870

約数和(自身を除く): 27825455470

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105001717, 210003434, 420006868, 525008585, 840013736, 1050017170, 2100034340, 2625042925, 4200068680, 5250085850, 10500171700, 21000343400]

約数ペア:

[(1, 21000343400), (2, 10500171700), (4, 5250085850), (5, 4200068680), (8, 2625042925), (10, 2100034340), (20, 1050017170), (25, 840013736), (40, 525008585), (50, 420006868), (100, 210003434), (200, 105001717)]