21388414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 14808866

約数列:

[1, 2, 17, 19, 34, 38, 113, 226, 293, 323, 586, 646, 1921, 2147, 3842, 4294, 4981, 5567, 9962, 11134, 33109, 36499, 66218, 72998, 94639, 189278, 562853, 629071, 1125706, 1258142, 10694207, 21388414]

約数ペア:

[(1, 21388414), (2, 10694207), (17, 1258142), (19, 1125706), (34, 629071), (38, 562853), (113, 189278), (226, 94639), (293, 72998), (323, 66218), (586, 36499), (646, 33109), (1921, 11134), (2147, 9962), (3842, 5567), (4294, 4981)]