21603065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{7411}}^1$

素因数の和:7480

約数の個数: 16

約数和(自身を含む): 28817856

約数和(自身を除く): 7214791

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 7411, 37055, 81521, 392783, 407605, 1963915, 4320613, 21603065]

約数ペア:

[(1, 21603065), (5, 4320613), (11, 1963915), (53, 407605), (55, 392783), (265, 81521), (583, 37055), (2915, 7411)]