21334533

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 32372352

約数和(自身を除く): 11037819

約数列:

[1, 3, 11, 33, 37, 101, 111, 173, 303, 407, 519, 1111, 1221, 1903, 3333, 3737, 5709, 6401, 11211, 17473, 19203, 41107, 52419, 70411, 123321, 192203, 211233, 576609, 646501, 1939503, 7111511, 21334533]

約数ペア:

[(1, 21334533), (3, 7111511), (11, 1939503), (33, 646501), (37, 576609), (101, 211233), (111, 192203), (173, 123321), (303, 70411), (407, 52419), (519, 41107), (1111, 19203), (1221, 17473), (1903, 11211), (3333, 6401), (3737, 5709)]