21689256

素因数分解:

$2^3\times 3^1\times {\mathrm{109}}^1\times {\mathrm{8291}}^1$

素因数の和:8409

約数の個数: 32

約数和(自身を含む): 54727200

約数和(自身を除く): 33037944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 109, 218, 327, 436, 654, 872, 1308, 2616, 8291, 16582, 24873, 33164, 49746, 66328, 99492, 198984, 903719, 1807438, 2711157, 3614876, 5422314, 7229752, 10844628, 21689256]

約数ペア:

[(1, 21689256), (2, 10844628), (3, 7229752), (4, 5422314), (6, 3614876), (8, 2711157), (12, 1807438), (24, 903719), (109, 198984), (218, 99492), (327, 66328), (436, 49746), (654, 33164), (872, 24873), (1308, 16582), (2616, 8291)]