21420484

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1433}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 38907288

約数和(自身を除く): 17486804

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 1433, 2866, 3737, 5732, 7474, 14948, 53021, 106042, 144733, 212084, 289466, 578932, 5355121, 10710242, 21420484]

約数ペア:

[(1, 21420484), (2, 10710242), (4, 5355121), (37, 578932), (74, 289466), (101, 212084), (148, 144733), (202, 106042), (404, 53021), (1433, 14948), (2866, 7474), (3737, 5732)]