21139367045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{330019}}^1$

素因数の和:330604

約数の個数: 16

約数和(自身を含む): 26517767040

約数和(自身を除く): 5378399995

約数列:

[1, 5, 23, 115, 557, 2785, 12811, 64055, 330019, 1650095, 7590437, 37952185, 183820583, 919102915, 4227873409, 21139367045]

約数ペア:

[(1, 21139367045), (5, 4227873409), (23, 919102915), (115, 183820583), (557, 37952185), (2785, 7590437), (12811, 1650095), (64055, 330019)]