21945126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1303}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 50323968

約数和(自身を除く): 28378842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 1303, 2406, 2606, 2807, 3909, 5614, 7818, 8421, 9121, 16842, 18242, 27363, 54726, 522503, 1045006, 1567509, 3135018, 3657521, 7315042, 10972563, 21945126]

約数ペア:

[(1, 21945126), (2, 10972563), (3, 7315042), (6, 3657521), (7, 3135018), (14, 1567509), (21, 1045006), (42, 522503), (401, 54726), (802, 27363), (1203, 18242), (1303, 16842), (2406, 9121), (2606, 8421), (2807, 7818), (3909, 5614)]