21332031

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21613}}^1$

素因数の和:21670

約数の個数: 16

約数和(自身を含む): 33199104

約数和(自身を除く): 11867073

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21613, 64839, 151291, 453873, 1015811, 3047433, 7110677, 21332031]

約数ペア:

[(1, 21332031), (3, 7110677), (7, 3047433), (21, 1015811), (47, 453873), (141, 151291), (329, 64839), (987, 21613)]