21936393

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 34819200

約数和(自身を除く): 12882807

約数列:

[1, 3, 9, 19, 27, 57, 61, 171, 183, 513, 549, 701, 1159, 1647, 2103, 3477, 6309, 10431, 13319, 18927, 31293, 39957, 42761, 119871, 128283, 359613, 384849, 812459, 1154547, 2437377, 7312131, 21936393]

約数ペア:

[(1, 21936393), (3, 7312131), (9, 2437377), (19, 1154547), (27, 812459), (57, 384849), (61, 359613), (171, 128283), (183, 119871), (513, 42761), (549, 39957), (701, 31293), (1159, 18927), (1647, 13319), (2103, 10431), (3477, 6309)]