21321435

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 35929152

約数和(自身を除く): 14607717

約数列:

[1, 3, 5, 15, 37, 41, 111, 123, 185, 205, 555, 615, 937, 1517, 2811, 4551, 4685, 7585, 14055, 22755, 34669, 38417, 104007, 115251, 173345, 192085, 520035, 576255, 1421429, 4264287, 7107145, 21321435]

約数ペア:

[(1, 21321435), (3, 7107145), (5, 4264287), (15, 1421429), (37, 576255), (41, 520035), (111, 192085), (123, 173345), (185, 115251), (205, 104007), (555, 38417), (615, 34669), (937, 22755), (1517, 14055), (2811, 7585), (4551, 4685)]