21683521790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{340027}}^1$

素因数の和:340952

約数の個数: 32

約数和(自身を含む): 44655197184

約数和(自身を除く): 22971675394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 911, 1822, 4555, 6377, 9110, 12754, 31885, 63770, 340027, 680054, 1700135, 2380189, 3400270, 4760378, 11900945, 23801890, 309764597, 619529194, 1548822985, 2168352179, 3097645970, 4336704358, 10841760895, 21683521790]

約数ペア:

[(1, 21683521790), (2, 10841760895), (5, 4336704358), (7, 3097645970), (10, 2168352179), (14, 1548822985), (35, 619529194), (70, 309764597), (911, 23801890), (1822, 11900945), (4555, 4760378), (6377, 3400270), (9110, 2380189), (12754, 1700135), (31885, 680054), (63770, 340027)]