21433617

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4573

約数の個数: 24

約数和(自身を含む): 33845760

約数和(自身を除く): 12412143

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4519, 4743, 13557, 40671, 76823, 140089, 230469, 420267, 691407, 1260801, 2381513, 7144539, 21433617]

約数ペア:

[(1, 21433617), (3, 7144539), (9, 2381513), (17, 1260801), (31, 691407), (51, 420267), (93, 230469), (153, 140089), (279, 76823), (527, 40671), (1581, 13557), (4519, 4743)]