21077671109

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{2087}}^1$

素因数の和:2342

約数の個数: 48

約数和(自身を含む): 25593200640

約数和(自身を除く): 4515529531

約数列:

[1, 11, 19, 23, 121, 191, 209, 253, 437, 2087, 2101, 2299, 2783, 3629, 4393, 4807, 22957, 23111, 39653, 39919, 48001, 48323, 52877, 83467, 252527, 398617, 436183, 439109, 528011, 531553, 912019, 918137, 4384787, 4798013, 5808121, 7573723, 9168191, 10032209, 10099507, 48232657, 83310953, 100850101, 110354299, 174195629, 916420483, 1109351111, 1916151919, 21077671109]

約数ペア:

[(1, 21077671109), (11, 1916151919), (19, 1109351111), (23, 916420483), (121, 174195629), (191, 110354299), (209, 100850101), (253, 83310953), (437, 48232657), (2087, 10099507), (2101, 10032209), (2299, 9168191), (2783, 7573723), (3629, 5808121), (4393, 4798013), (4807, 4384787), (22957, 918137), (23111, 912019), (39653, 531553), (39919, 528011), (48001, 439109), (48323, 436183), (52877, 398617), (83467, 252527)]