21934377

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 32801600

約数和(自身を除く): 10867223

約数列:

[1, 3, 9, 37, 111, 199, 331, 333, 597, 993, 1791, 2979, 7363, 12247, 22089, 36741, 65869, 66267, 110223, 197607, 592821, 2437153, 7311459, 21934377]

約数ペア:

[(1, 21934377), (3, 7311459), (9, 2437153), (37, 592821), (111, 197607), (199, 110223), (331, 66267), (333, 65869), (597, 36741), (993, 22089), (1791, 12247), (2979, 7363)]