21132445552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{161999}}^1$

素因数の和:162301

約数の個数: 40

約数和(自身を含む): 42425856000

約数和(自身を除く): 21293410448

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 263, 496, 526, 1052, 2104, 4208, 8153, 16306, 32612, 65224, 130448, 161999, 323998, 647996, 1295992, 2591984, 5021969, 10043938, 20087876, 40175752, 42605737, 80351504, 85211474, 170422948, 340845896, 681691792, 1320777847, 2641555694, 5283111388, 10566222776, 21132445552]

約数ペア:

[(1, 21132445552), (2, 10566222776), (4, 5283111388), (8, 2641555694), (16, 1320777847), (31, 681691792), (62, 340845896), (124, 170422948), (248, 85211474), (263, 80351504), (496, 42605737), (526, 40175752), (1052, 20087876), (2104, 10043938), (4208, 5021969), (8153, 2591984), (16306, 1295992), (32612, 647996), (65224, 323998), (130448, 161999)]