21244025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 29191584

約数和(自身を除く): 7947559

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 737, 1153, 1675, 3685, 5765, 12683, 18425, 28825, 63415, 77251, 317075, 386255, 849761, 1931275, 4248805, 21244025]

約数ペア:

[(1, 21244025), (5, 4248805), (11, 1931275), (25, 849761), (55, 386255), (67, 317075), (275, 77251), (335, 63415), (737, 28825), (1153, 18425), (1675, 12683), (3685, 5765)]