21096988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15467}}^1$

素因数の和:15513

約数の個数: 24

約数和(自身を含む): 41577984

約数和(自身を除く): 20480996

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15467, 30934, 61868, 170137, 340274, 479477, 680548, 958954, 1917908, 5274247, 10548494, 21096988]

約数ペア:

[(1, 21096988), (2, 10548494), (4, 5274247), (11, 1917908), (22, 958954), (31, 680548), (44, 479477), (62, 340274), (124, 170137), (341, 61868), (682, 30934), (1364, 15467)]