21143639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3048361

約数列:

[1, 11, 29, 79, 319, 839, 869, 2291, 9229, 24331, 25201, 66281, 267641, 729091, 1922149, 21143639]

約数ペア:

[(1, 21143639), (11, 1922149), (29, 729091), (79, 267641), (319, 66281), (839, 25201), (869, 24331), (2291, 9229)]