21655935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{68749}}^1$

素因数の和:68767

約数の個数: 24

約数和(自身を含む): 42900000

約数和(自身を除く): 21244065

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 68749, 206247, 343745, 481243, 618741, 1031235, 1443729, 2406215, 3093705, 4331187, 7218645, 21655935]

約数ペア:

[(1, 21655935), (3, 7218645), (5, 4331187), (7, 3093705), (9, 2406215), (15, 1443729), (21, 1031235), (35, 618741), (45, 481243), (63, 343745), (105, 206247), (315, 68749)]