21586460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22027}}^1$

素因数の和:22050

約数の個数: 36

約数和(自身を含む): 52735032

約数和(自身を除く): 31148572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22027, 44054, 88108, 110135, 154189, 220270, 308378, 440540, 616756, 770945, 1079323, 1541890, 2158646, 3083780, 4317292, 5396615, 10793230, 21586460]

約数ペア:

[(1, 21586460), (2, 10793230), (4, 5396615), (5, 4317292), (7, 3083780), (10, 2158646), (14, 1541890), (20, 1079323), (28, 770945), (35, 616756), (49, 440540), (70, 308378), (98, 220270), (140, 154189), (196, 110135), (245, 88108), (490, 44054), (980, 22027)]