21272510014

素因数分解:

$2^1\times 7^1\times {\mathrm{72421}}^1\times {\mathrm{20981}}^1$

素因数の和:93411

約数の個数: 16

約数和(自身を含む): 36469401696

約数和(自身を除く): 15196891682

約数列:

[1, 2, 7, 14, 20981, 41962, 72421, 144842, 146867, 293734, 506947, 1013894, 1519465001, 3038930002, 10636255007, 21272510014]

約数ペア:

[(1, 21272510014), (2, 10636255007), (7, 3038930002), (14, 1519465001), (20981, 1013894), (41962, 506947), (72421, 293734), (144842, 146867)]