21831108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139943}}^1$

素因数の和:139963

約数の個数: 24

約数和(自身を含む): 54858048

約数和(自身を除く): 33026940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139943, 279886, 419829, 559772, 839658, 1679316, 1819259, 3638518, 5457777, 7277036, 10915554, 21831108]

約数ペア:

[(1, 21831108), (2, 10915554), (3, 7277036), (4, 5457777), (6, 3638518), (12, 1819259), (13, 1679316), (26, 839658), (39, 559772), (52, 419829), (78, 279886), (156, 139943)]