21575708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70051}}^1$

素因数の和:70073

約数の個数: 24

約数和(自身を含む): 47074944

約数和(自身を除く): 25499236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70051, 140102, 280204, 490357, 770561, 980714, 1541122, 1961428, 3082244, 5393927, 10787854, 21575708]

約数ペア:

[(1, 21575708), (2, 10787854), (4, 5393927), (7, 3082244), (11, 1961428), (14, 1541122), (22, 980714), (28, 770561), (44, 490357), (77, 280204), (154, 140102), (308, 70051)]