21487914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170539}}^1$

素因数の和:170554

約数の個数: 24

約数和(自身を含む): 53208480

約数和(自身を除く): 31720566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170539, 341078, 511617, 1023234, 1193773, 1534851, 2387546, 3069702, 3581319, 7162638, 10743957, 21487914]

約数ペア:

[(1, 21487914), (2, 10743957), (3, 7162638), (6, 3581319), (7, 3069702), (9, 2387546), (14, 1534851), (18, 1193773), (21, 1023234), (42, 511617), (63, 341078), (126, 170539)]