21742722

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 48686400

約数和(自身を除く): 26943678

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 2939, 3699, 5878, 7398, 8817, 17634, 26451, 52902, 79353, 158706, 402643, 805286, 1207929, 2415858, 3623787, 7247574, 10871361, 21742722]

約数ペア:

[(1, 21742722), (2, 10871361), (3, 7247574), (6, 3623787), (9, 2415858), (18, 1207929), (27, 805286), (54, 402643), (137, 158706), (274, 79353), (411, 52902), (822, 26451), (1233, 17634), (2466, 8817), (2939, 7398), (3699, 5878)]