21880230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2633}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 52722144

約数和(自身を除く): 30841914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2633, 2770, 4155, 5266, 7899, 8310, 13165, 15798, 26330, 39495, 78990, 729341, 1458682, 2188023, 3646705, 4376046, 7293410, 10940115, 21880230]

約数ペア:

[(1, 21880230), (2, 10940115), (3, 7293410), (5, 4376046), (6, 3646705), (10, 2188023), (15, 1458682), (30, 729341), (277, 78990), (554, 39495), (831, 26330), (1385, 15798), (1662, 13165), (2633, 8310), (2770, 7899), (4155, 5266)]