21627225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5059}}^1$

素因数の和:5094

約数の個数: 36

約数和(自身を含む): 40783600

約数和(自身を除く): 19156375

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 5059, 15177, 25295, 45531, 75885, 96121, 126475, 227655, 288363, 379425, 480605, 865089, 1138275, 1441815, 2403025, 4325445, 7209075, 21627225]

約数ペア:

[(1, 21627225), (3, 7209075), (5, 4325445), (9, 2403025), (15, 1441815), (19, 1138275), (25, 865089), (45, 480605), (57, 379425), (75, 288363), (95, 227655), (171, 126475), (225, 96121), (285, 75885), (475, 45531), (855, 25295), (1425, 15177), (4275, 5059)]