21639924

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6197}}^1$

素因数の和:6304

約数の個数: 36

約数和(自身を含む): 55273764

約数和(自身を除く): 33633840

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6197, 12394, 18591, 24788, 37182, 55773, 74364, 111546, 223092, 601109, 1202218, 1803327, 2404436, 3606654, 5409981, 7213308, 10819962, 21639924]

約数ペア:

[(1, 21639924), (2, 10819962), (3, 7213308), (4, 5409981), (6, 3606654), (9, 2404436), (12, 1803327), (18, 1202218), (36, 601109), (97, 223092), (194, 111546), (291, 74364), (388, 55773), (582, 37182), (873, 24788), (1164, 18591), (1746, 12394), (3492, 6197)]