2198242221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5509379}}^1$

素因数の和:5509408

約数の個数: 16

約数和(自身を含む): 3526003200

約数和(自身を除く): 1327760979

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5509379, 16528137, 38565653, 104678201, 115696959, 314034603, 732747407, 2198242221]

約数ペア:

[(1, 2198242221), (3, 732747407), (7, 314034603), (19, 115696959), (21, 104678201), (57, 38565653), (133, 16528137), (399, 5509379)]