21221065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1453}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 26800128

約数和(自身を除く): 5579063

約数列:

[1, 5, 23, 115, 127, 635, 1453, 2921, 7265, 14605, 33419, 167095, 184531, 922655, 4244213, 21221065]

約数ペア:

[(1, 21221065), (5, 4244213), (23, 922655), (115, 184531), (127, 167095), (635, 33419), (1453, 14605), (2921, 7265)]