21000905719902

素因数分解:

$2^1\times 3^2\times {\mathrm{1166716984439}}^1$

素因数の和:1166716984447

約数の個数: 12

約数和(自身を含む): 45501962393160

約数和(自身を除く): 24501056673258

約数列:

[1, 2, 3, 6, 9, 18, 1166716984439, 2333433968878, 3500150953317, 7000301906634, 10500452859951, 21000905719902]

約数ペア:

[(1, 21000905719902), (2, 10500452859951), (3, 7000301906634), (6, 3500150953317), (9, 2333433968878), (18, 1166716984439)]