21943980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40637}}^1$

素因数の和:40655

約数の個数: 48

約数和(自身を含む): 68271840

約数和(自身を除く): 46327860

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, 40637, 81274, 121911, 162548, 203185, 243822, 365733, 406370, 487644, 609555, 731466, 812740, 1097199, 1219110, 1462932, 1828665, 2194398, 2438220, 3657330, 4388796, 5485995, 7314660, 10971990, 21943980]

約数ペア:

[(1, 21943980), (2, 10971990), (3, 7314660), (4, 5485995), (5, 4388796), (6, 3657330), (9, 2438220), (10, 2194398), (12, 1828665), (15, 1462932), (18, 1219110), (20, 1097199), (27, 812740), (30, 731466), (36, 609555), (45, 487644), (54, 406370), (60, 365733), (90, 243822), (108, 203185), (135, 162548), (180, 121911), (270, 81274), (540, 40637)]