21240672

素因数分解:

$2^5\times 3^1\times {\mathrm{97}}^1\times {\mathrm{2281}}^1$

素因数の和:2391

約数の個数: 48

約数和(自身を含む): 56356272

約数和(自身を除く): 35115600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 97, 194, 291, 388, 582, 776, 1164, 1552, 2281, 2328, 3104, 4562, 4656, 6843, 9124, 9312, 13686, 18248, 27372, 36496, 54744, 72992, 109488, 218976, 221257, 442514, 663771, 885028, 1327542, 1770056, 2655084, 3540112, 5310168, 7080224, 10620336, 21240672]

約数ペア:

[(1, 21240672), (2, 10620336), (3, 7080224), (4, 5310168), (6, 3540112), (8, 2655084), (12, 1770056), (16, 1327542), (24, 885028), (32, 663771), (48, 442514), (96, 221257), (97, 218976), (194, 109488), (291, 72992), (388, 54744), (582, 36496), (776, 27372), (1164, 18248), (1552, 13686), (2281, 9312), (2328, 9124), (3104, 6843), (4562, 4656)]