21000913300

素因数分解:

$2^2\times 5^2\times {\mathrm{10069}}^1\times {\mathrm{20857}}^1$

素因数の和:30940

約数の個数: 36

約数和(自身を含む): 45578693020

約数和(自身を除く): 24577779720

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 10069, 20138, 20857, 40276, 41714, 50345, 83428, 100690, 104285, 201380, 208570, 251725, 417140, 503450, 521425, 1006900, 1042850, 2085700, 210009133, 420018266, 840036532, 1050045665, 2100091330, 4200182660, 5250228325, 10500456650, 21000913300]

約数ペア:

[(1, 21000913300), (2, 10500456650), (4, 5250228325), (5, 4200182660), (10, 2100091330), (20, 1050045665), (25, 840036532), (50, 420018266), (100, 210009133), (10069, 2085700), (20138, 1042850), (20857, 1006900), (40276, 521425), (41714, 503450), (50345, 417140), (83428, 251725), (100690, 208570), (104285, 201380)]