21470145

素因数分解:

$3^1\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1621}}^1$

素因数の和:2512

約数の個数: 16

約数和(自身を含む): 34412352

約数和(自身を除く): 12942207

約数列:

[1, 3, 5, 15, 883, 1621, 2649, 4415, 4863, 8105, 13245, 24315, 1431343, 4294029, 7156715, 21470145]

約数ペア:

[(1, 21470145), (3, 7156715), (5, 4294029), (15, 1431343), (883, 24315), (1621, 13245), (2649, 8105), (4415, 4863)]