21204078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1259}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 27421842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 1259, 2406, 2518, 2807, 3777, 5614, 7554, 8421, 8813, 16842, 17626, 26439, 52878, 504859, 1009718, 1514577, 3029154, 3534013, 7068026, 10602039, 21204078]

約数ペア:

[(1, 21204078), (2, 10602039), (3, 7068026), (6, 3534013), (7, 3029154), (14, 1514577), (21, 1009718), (42, 504859), (401, 52878), (802, 26439), (1203, 17626), (1259, 16842), (2406, 8813), (2518, 8421), (2807, 7554), (3777, 5614)]