21142702

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15569}}^1$

素因数の和:15675

約数の個数: 16

約数和(自身を含む): 36620640

約数和(自身を除く): 15477938

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 15569, 31138, 108983, 217966, 1510193, 3020386, 10571351, 21142702]

約数ペア:

[(1, 21142702), (2, 10571351), (7, 3020386), (14, 1510193), (97, 217966), (194, 108983), (679, 31138), (1358, 15569)]