21272280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177269}}^1$

素因数の和:177283

約数の個数: 32

約数和(自身を含む): 63817200

約数和(自身を除く): 42544920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177269, 354538, 531807, 709076, 886345, 1063614, 1418152, 1772690, 2127228, 2659035, 3545380, 4254456, 5318070, 7090760, 10636140, 21272280]

約数ペア:

[(1, 21272280), (2, 10636140), (3, 7090760), (4, 5318070), (5, 4254456), (6, 3545380), (8, 2659035), (10, 2127228), (12, 1772690), (15, 1418152), (20, 1063614), (24, 886345), (30, 709076), (40, 531807), (60, 354538), (120, 177269)]