21030093

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17569}}^1$

素因数の和:17601

約数の個数: 24

約数和(自身を含む): 36545600

約数和(自身を除く): 15515507

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17569, 52707, 122983, 158121, 333811, 368949, 1001433, 1106847, 2336677, 3004299, 7010031, 21030093]

約数ペア:

[(1, 21030093), (3, 7010031), (7, 3004299), (9, 2336677), (19, 1106847), (21, 1001433), (57, 368949), (63, 333811), (133, 158121), (171, 122983), (399, 52707), (1197, 17569)]