21031518

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{184487}}^1$

素因数の和:184511

約数の個数: 16

約数和(自身を含む): 44277120

約数和(自身を除く): 23245602

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 184487, 368974, 553461, 1106922, 3505253, 7010506, 10515759, 21031518]

約数ペア:

[(1, 21031518), (2, 10515759), (3, 7010506), (6, 3505253), (19, 1106922), (38, 553461), (57, 368974), (114, 184487)]