21000297018

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{8728303}}^1$

素因数の和:8728709

約数の個数: 16

約数和(自身を含む): 42105338496

約数和(自身を除く): 21105041478

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 8728303, 17456606, 26184909, 52369818, 3500049503, 7000099006, 10500148509, 21000297018]

約数ペア:

[(1, 21000297018), (2, 10500148509), (3, 7000099006), (6, 3500049503), (401, 52369818), (802, 26184909), (1203, 17456606), (2406, 8728303)]