21075220

素因数分解:

$2^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{1777}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 44357544

約数和(自身を除く): 23282324

約数列:

[1, 2, 4, 5, 10, 20, 593, 1186, 1777, 2372, 2965, 3554, 5930, 7108, 8885, 11860, 17770, 35540, 1053761, 2107522, 4215044, 5268805, 10537610, 21075220]

約数ペア:

[(1, 21075220), (2, 10537610), (4, 5268805), (5, 4215044), (10, 2107522), (20, 1053761), (593, 35540), (1186, 17770), (1777, 11860), (2372, 8885), (2965, 7108), (3554, 5930)]