21450525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15053}}^1$

素因数の和:15085

約数の個数: 24

約数和(自身を含む): 37333920

約数和(自身を除く): 15883395

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15053, 45159, 75265, 225795, 286007, 376325, 858021, 1128975, 1430035, 4290105, 7150175, 21450525]

約数ペア:

[(1, 21450525), (3, 7150175), (5, 4290105), (15, 1430035), (19, 1128975), (25, 858021), (57, 376325), (75, 286007), (95, 225795), (285, 75265), (475, 45159), (1425, 15053)]