21821814

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173189}}^1$

素因数の和:173204

約数の個数: 24

約数和(自身を含む): 54035280

約数和(自身を除く): 32213466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173189, 346378, 519567, 1039134, 1212323, 1558701, 2424646, 3117402, 3636969, 7273938, 10910907, 21821814]

約数ペア:

[(1, 21821814), (2, 10910907), (3, 7273938), (6, 3636969), (7, 3117402), (9, 2424646), (14, 1558701), (18, 1212323), (21, 1039134), (42, 519567), (63, 346378), (126, 173189)]