21874930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28409}}^1$

素因数の和:28434

約数の個数: 32

約数和(自身を含む): 49092480

約数和(自身を除く): 27217550

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28409, 56818, 142045, 198863, 284090, 312499, 397726, 624998, 994315, 1562495, 1988630, 2187493, 3124990, 4374986, 10937465, 21874930]

約数ペア:

[(1, 21874930), (2, 10937465), (5, 4374986), (7, 3124990), (10, 2187493), (11, 1988630), (14, 1562495), (22, 994315), (35, 624998), (55, 397726), (70, 312499), (77, 284090), (110, 198863), (154, 142045), (385, 56818), (770, 28409)]