21225659

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5689}}^1$

素因数の和:5750

約数の個数: 16

約数和(自身を含む): 26765760

約数和(自身を除く): 5540101

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5689, 39823, 73957, 233249, 517699, 1632743, 3032237, 21225659]

約数ペア:

[(1, 21225659), (7, 3032237), (13, 1632743), (41, 517699), (91, 233249), (287, 73957), (533, 39823), (3731, 5689)]