21158644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3733}}^1$

素因数の和:3859

約数の個数: 24

約数和(自身を含む): 40252520

約数和(自身を除く): 19093876

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3733, 5668, 7466, 14932, 48529, 97058, 194116, 406897, 813794, 1627588, 5289661, 10579322, 21158644]

約数ペア:

[(1, 21158644), (2, 10579322), (4, 5289661), (13, 1627588), (26, 813794), (52, 406897), (109, 194116), (218, 97058), (436, 48529), (1417, 14932), (2834, 7466), (3733, 5668)]