21703860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120577}}^1$

素因数の和:120592

約数の個数: 36

約数和(自身を含む): 65835588

約数和(自身を除く): 44131728

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120577, 241154, 361731, 482308, 602885, 723462, 1085193, 1205770, 1446924, 1808655, 2170386, 2411540, 3617310, 4340772, 5425965, 7234620, 10851930, 21703860]

約数ペア:

[(1, 21703860), (2, 10851930), (3, 7234620), (4, 5425965), (5, 4340772), (6, 3617310), (9, 2411540), (10, 2170386), (12, 1808655), (15, 1446924), (18, 1205770), (20, 1085193), (30, 723462), (36, 602885), (45, 482308), (60, 361731), (90, 241154), (180, 120577)]