21003525

素因数分解:

$3^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 37867492

約数和(自身を除く): 16863967

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 277, 337, 831, 1011, 1385, 1685, 2493, 3033, 4155, 5055, 6925, 8425, 12465, 15165, 20775, 25275, 62325, 75825, 93349, 280047, 466745, 840141, 1400235, 2333725, 4200705, 7001175, 21003525]

約数ペア:

[(1, 21003525), (3, 7001175), (5, 4200705), (9, 2333725), (15, 1400235), (25, 840141), (45, 466745), (75, 280047), (225, 93349), (277, 75825), (337, 62325), (831, 25275), (1011, 20775), (1385, 15165), (1685, 12465), (2493, 8425), (3033, 6925), (4155, 5055)]