21579992

素因数分解:

$2^3\times 7^2\times {\mathrm{55051}}^1$

素因数の和:55071

約数の個数: 24

約数和(自身を含む): 47069460

約数和(自身を除く): 25489468

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55051, 110102, 220204, 385357, 440408, 770714, 1541428, 2697499, 3082856, 5394998, 10789996, 21579992]

約数ペア:

[(1, 21579992), (2, 10789996), (4, 5394998), (7, 3082856), (8, 2697499), (14, 1541428), (28, 770714), (49, 440408), (56, 385357), (98, 220204), (196, 110102), (392, 55051)]