21478914

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5351}}^1$

素因数の和:5582

約数の個数: 24

約数和(自身を含む): 46755072

約数和(自身を除く): 25276158

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 5351, 10702, 16053, 32106, 48159, 96318, 1193273, 2386546, 3579819, 7159638, 10739457, 21478914]

約数ペア:

[(1, 21478914), (2, 10739457), (3, 7159638), (6, 3579819), (9, 2386546), (18, 1193273), (223, 96318), (446, 48159), (669, 32106), (1338, 16053), (2007, 10702), (4014, 5351)]