21848220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121379}}^1$

素因数の和:121394

約数の個数: 36

約数和(自身を含む): 66273480

約数和(自身を除く): 44425260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121379, 242758, 364137, 485516, 606895, 728274, 1092411, 1213790, 1456548, 1820685, 2184822, 2427580, 3641370, 4369644, 5462055, 7282740, 10924110, 21848220]

約数ペア:

[(1, 21848220), (2, 10924110), (3, 7282740), (4, 5462055), (5, 4369644), (6, 3641370), (9, 2427580), (10, 2184822), (12, 1820685), (15, 1456548), (18, 1213790), (20, 1092411), (30, 728274), (36, 606895), (45, 485516), (60, 364137), (90, 242758), (180, 121379)]