21908940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11779}}^1$

素因数の和:11822

約数の個数: 48

約数和(自身を含む): 63329280

約数和(自身を除く): 41420340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11779, 23558, 35337, 47116, 58895, 70674, 117790, 141348, 176685, 235580, 353370, 365149, 706740, 730298, 1095447, 1460596, 1825745, 2190894, 3651490, 4381788, 5477235, 7302980, 10954470, 21908940]

約数ペア:

[(1, 21908940), (2, 10954470), (3, 7302980), (4, 5477235), (5, 4381788), (6, 3651490), (10, 2190894), (12, 1825745), (15, 1460596), (20, 1095447), (30, 730298), (31, 706740), (60, 365149), (62, 353370), (93, 235580), (124, 176685), (155, 141348), (186, 117790), (310, 70674), (372, 58895), (465, 47116), (620, 35337), (930, 23558), (1860, 11779)]