21123364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6779}}^1$

素因数の和:6843

約数の個数: 24

約数和(自身を含む): 39866400

約数和(自身を除く): 18743036

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6779, 13558, 27116, 128801, 257602, 277939, 515204, 555878, 1111756, 5280841, 10561682, 21123364]

約数ペア:

[(1, 21123364), (2, 10561682), (4, 5280841), (19, 1111756), (38, 555878), (41, 515204), (76, 277939), (82, 257602), (164, 128801), (779, 27116), (1558, 13558), (3116, 6779)]