21796918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76213}}^1$

素因数の和:76239

約数の個数: 16

約数和(自身を含む): 38411856

約数和(自身を除く): 16614938

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 76213, 152426, 838343, 990769, 1676686, 1981538, 10898459, 21796918]

約数ペア:

[(1, 21796918), (2, 10898459), (11, 1981538), (13, 1676686), (22, 990769), (26, 838343), (143, 152426), (286, 76213)]