21695553

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4297}}^1$

素因数の和:4334

約数の個数: 32

約数和(自身を含む): 37134720

約数和(自身を除く): 15439167

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4297, 5049, 12891, 38673, 47267, 73049, 116019, 141801, 219147, 425403, 657441, 803539, 1276209, 1972323, 2410617, 7231851, 21695553]

約数ペア:

[(1, 21695553), (3, 7231851), (9, 2410617), (11, 1972323), (17, 1276209), (27, 803539), (33, 657441), (51, 425403), (99, 219147), (153, 141801), (187, 116019), (297, 73049), (459, 47267), (561, 38673), (1683, 12891), (4297, 5049)]