21083972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57923}}^1$

素因数の和:57947

約数の個数: 24

約数和(自身を含む): 45412416

約数和(自身を除く): 24328444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57923, 115846, 231692, 405461, 752999, 810922, 1505998, 1621844, 3011996, 5270993, 10541986, 21083972]

約数ペア:

[(1, 21083972), (2, 10541986), (4, 5270993), (7, 3011996), (13, 1621844), (14, 1505998), (26, 810922), (28, 752999), (52, 405461), (91, 231692), (182, 115846), (364, 57923)]