21252225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{6029}}^1$

素因数の和:6089

約数の個数: 24

約数和(自身を含む): 35890560

約数和(自身を除く): 14638335

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 6029, 18087, 30145, 90435, 150725, 283363, 452175, 850089, 1416815, 4250445, 7084075, 21252225]

約数ペア:

[(1, 21252225), (3, 7084075), (5, 4250445), (15, 1416815), (25, 850089), (47, 452175), (75, 283363), (141, 150725), (235, 90435), (705, 30145), (1175, 18087), (3525, 6029)]