21936908

素因数分解:

$2^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 45696000

約数和(自身を除く): 23759092

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 236, 271, 343, 413, 542, 686, 826, 1084, 1372, 1652, 1897, 2891, 3794, 5782, 7588, 11564, 13279, 15989, 20237, 26558, 31978, 40474, 53116, 63956, 80948, 92953, 111923, 185906, 223846, 371812, 447692, 783461, 1566922, 3133844, 5484227, 10968454, 21936908]

約数ペア:

[(1, 21936908), (2, 10968454), (4, 5484227), (7, 3133844), (14, 1566922), (28, 783461), (49, 447692), (59, 371812), (98, 223846), (118, 185906), (196, 111923), (236, 92953), (271, 80948), (343, 63956), (413, 53116), (542, 40474), (686, 31978), (826, 26558), (1084, 20237), (1372, 15989), (1652, 13279), (1897, 11564), (2891, 7588), (3794, 5782)]