21083856

素因数分解:

$2^4\times 3^1\times {\mathrm{173}}^1\times {\mathrm{2539}}^1$

素因数の和:2723

約数の個数: 40

約数和(自身を含む): 54803040

約数和(自身を除く): 33719184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 173, 346, 519, 692, 1038, 1384, 2076, 2539, 2768, 4152, 5078, 7617, 8304, 10156, 15234, 20312, 30468, 40624, 60936, 121872, 439247, 878494, 1317741, 1756988, 2635482, 3513976, 5270964, 7027952, 10541928, 21083856]

約数ペア:

[(1, 21083856), (2, 10541928), (3, 7027952), (4, 5270964), (6, 3513976), (8, 2635482), (12, 1756988), (16, 1317741), (24, 878494), (48, 439247), (173, 121872), (346, 60936), (519, 40624), (692, 30468), (1038, 20312), (1384, 15234), (2076, 10156), (2539, 8304), (2768, 7617), (4152, 5078)]