16984940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{121321}}^1$

素因数の和:121337

約数の個数: 24

約数和(自身を含む): 40764192

約数和(自身を除く): 23779252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 121321, 242642, 485284, 606605, 849247, 1213210, 1698494, 2426420, 3396988, 4246235, 8492470, 16984940]

約数ペア:

[(1, 16984940), (2, 8492470), (4, 4246235), (5, 3396988), (7, 2426420), (10, 1698494), (14, 1213210), (20, 849247), (28, 606605), (35, 485284), (70, 242642), (140, 121321)]