21331330299

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{150209}}^1$

素因数の和:150755

約数の個数: 24

約数和(自身を含む): 31868553600

約数和(自身を除く): 10537223301

約数列:

[1, 3, 9, 31, 93, 279, 509, 1527, 4581, 15779, 47337, 142011, 150209, 450627, 1351881, 4656479, 13969437, 41908311, 76456381, 229369143, 688107429, 2370147811, 7110443433, 21331330299]

約数ペア:

[(1, 21331330299), (3, 7110443433), (9, 2370147811), (31, 688107429), (93, 229369143), (279, 76456381), (509, 41908311), (1527, 13969437), (4581, 4656479), (15779, 1351881), (47337, 450627), (142011, 150209)]