21303540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39451}}^1$

素因数の和:39469

約数の個数: 48

約数和(自身を含む): 66279360

約数和(自身を除く): 44975820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39451, 78902, 118353, 157804, 197255, 236706, 355059, 394510, 473412, 591765, 710118, 789020, 1065177, 1183530, 1420236, 1775295, 2130354, 2367060, 3550590, 4260708, 5325885, 7101180, 10651770, 21303540]

約数ペア:

[(1, 21303540), (2, 10651770), (3, 7101180), (4, 5325885), (5, 4260708), (6, 3550590), (9, 2367060), (10, 2130354), (12, 1775295), (15, 1420236), (18, 1183530), (20, 1065177), (27, 789020), (30, 710118), (36, 591765), (45, 473412), (54, 394510), (60, 355059), (90, 236706), (108, 197255), (135, 157804), (180, 118353), (270, 78902), (540, 39451)]