11937821

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 14883840

約数和(自身を除く): 2946019

約数列:

[1, 7, 29, 31, 49, 203, 217, 271, 899, 1421, 1519, 1897, 6293, 7859, 8401, 13279, 44051, 55013, 58807, 243629, 385091, 411649, 1705403, 11937821]

約数ペア:

[(1, 11937821), (7, 1705403), (29, 411649), (31, 385091), (49, 243629), (203, 58807), (217, 55013), (271, 44051), (899, 13279), (1421, 8401), (1519, 7859), (1897, 6293)]