21217098

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72167}}^1$

素因数の和:72186

約数の個数: 24

約数和(自身を含む): 49362912

約数和(自身を除く): 28145814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72167, 144334, 216501, 433002, 505169, 1010338, 1515507, 3031014, 3536183, 7072366, 10608549, 21217098]

約数ペア:

[(1, 21217098), (2, 10608549), (3, 7072366), (6, 3536183), (7, 3031014), (14, 1515507), (21, 1010338), (42, 505169), (49, 433002), (98, 216501), (147, 144334), (294, 72167)]