21044388

素因数分解:

$2^2\times 3^1\times {\mathrm{1019}}^1\times {\mathrm{1721}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 49180320

約数和(自身を除く): 28135932

約数列:

[1, 2, 3, 4, 6, 12, 1019, 1721, 2038, 3057, 3442, 4076, 5163, 6114, 6884, 10326, 12228, 20652, 1753699, 3507398, 5261097, 7014796, 10522194, 21044388]

約数ペア:

[(1, 21044388), (2, 10522194), (3, 7014796), (4, 5261097), (6, 3507398), (12, 1753699), (1019, 20652), (1721, 12228), (2038, 10326), (3057, 6884), (3442, 6114), (4076, 5163)]