21450209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 24929856

約数和(自身を除く): 3479647

約数列:

[1, 11, 17, 187, 251, 457, 2761, 4267, 5027, 7769, 46937, 85459, 114707, 1261777, 1950019, 21450209]

約数ペア:

[(1, 21450209), (11, 1950019), (17, 1261777), (187, 114707), (251, 85459), (457, 46937), (2761, 7769), (4267, 5027)]