21330963

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 31691088

約数和(自身を除く): 10360125

約数列:

[1, 3, 9, 53, 159, 197, 227, 477, 591, 681, 1773, 2043, 10441, 12031, 31323, 36093, 44719, 93969, 108279, 134157, 402471, 2370107, 7110321, 21330963]

約数ペア:

[(1, 21330963), (3, 7110321), (9, 2370107), (53, 402471), (159, 134157), (197, 108279), (227, 93969), (477, 44719), (591, 36093), (681, 31323), (1773, 12031), (2043, 10441)]