20921418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166043}}^1$

素因数の和:166058

約数の個数: 24

約数和(自身を含む): 51805728

約数和(自身を除く): 30884310

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166043, 332086, 498129, 996258, 1162301, 1494387, 2324602, 2988774, 3486903, 6973806, 10460709, 20921418]

約数ペア:

[(1, 20921418), (2, 10460709), (3, 6973806), (6, 3486903), (7, 2988774), (9, 2324602), (14, 1494387), (18, 1162301), (21, 996258), (42, 498129), (63, 332086), (126, 166043)]