21231436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16433}}^1$

素因数の和:16473

約数の個数: 24

約数和(自身を含む): 41413680

約数和(自身を除く): 20182244

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16433, 32866, 65732, 279361, 312227, 558722, 624454, 1117444, 1248908, 5307859, 10615718, 21231436]

約数ペア:

[(1, 21231436), (2, 10615718), (4, 5307859), (17, 1248908), (19, 1117444), (34, 624454), (38, 558722), (68, 312227), (76, 279361), (323, 65732), (646, 32866), (1292, 16433)]