21379149

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12703}}^1$

素因数の和:12737

約数の個数: 24

約数和(自身を含む): 35672832

約数和(自身を除く): 14293683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12703, 38109, 114327, 139733, 215951, 419199, 647853, 1257597, 1943559, 2375461, 7126383, 21379149]

約数ペア:

[(1, 21379149), (3, 7126383), (9, 2375461), (11, 1943559), (17, 1257597), (33, 647853), (51, 419199), (99, 215951), (153, 139733), (187, 114327), (561, 38109), (1683, 12703)]