21752804073

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79601}}^1$

素因数の和:79655

約数の個数: 72

約数和(自身を含む): 39855766176

約数和(自身を除く): 18102962103

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 169, 231, 273, 429, 507, 539, 637, 1001, 1183, 1617, 1859, 1911, 3003, 3549, 5577, 7007, 8281, 13013, 21021, 24843, 39039, 79601, 91091, 238803, 273273, 557207, 875611, 1034813, 1671621, 2626833, 3104439, 3900449, 6129277, 7243691, 11382943, 11701347, 13452569, 18387831, 21731073, 34148829, 40357707, 42904939, 50705837, 79680601, 94167983, 128714817, 147978259, 152117511, 239041803, 282503949, 443934777, 557764207, 659175881, 1035847813, 1673292621, 1977527643, 3107543439, 7250934691, 21752804073]

約数ペア:

[(1, 21752804073), (3, 7250934691), (7, 3107543439), (11, 1977527643), (13, 1673292621), (21, 1035847813), (33, 659175881), (39, 557764207), (49, 443934777), (77, 282503949), (91, 239041803), (143, 152117511), (147, 147978259), (169, 128714817), (231, 94167983), (273, 79680601), (429, 50705837), (507, 42904939), (539, 40357707), (637, 34148829), (1001, 21731073), (1183, 18387831), (1617, 13452569), (1859, 11701347), (1911, 11382943), (3003, 7243691), (3549, 6129277), (5577, 3900449), (7007, 3104439), (8281, 2626833), (13013, 1671621), (21021, 1034813), (24843, 875611), (39039, 557207), (79601, 273273), (91091, 238803)]