21695655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85081}}^1$

素因数の和:85106

約数の個数: 16

約数和(自身を含む): 36755424

約数和(自身を除く): 15059769

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 85081, 255243, 425405, 1276215, 1446377, 4339131, 7231885, 21695655]

約数ペア:

[(1, 21695655), (3, 7231885), (5, 4339131), (15, 1446377), (17, 1276215), (51, 425405), (85, 255243), (255, 85081)]