21440928

素因数分解:

$2^5\times 3^1\times {\mathrm{173}}^1\times {\mathrm{1291}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 56651616

約数和(自身を除く): 35210688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 173, 346, 519, 692, 1038, 1291, 1384, 2076, 2582, 2768, 3873, 4152, 5164, 5536, 7746, 8304, 10328, 15492, 16608, 20656, 30984, 41312, 61968, 123936, 223343, 446686, 670029, 893372, 1340058, 1786744, 2680116, 3573488, 5360232, 7146976, 10720464, 21440928]

約数ペア:

[(1, 21440928), (2, 10720464), (3, 7146976), (4, 5360232), (6, 3573488), (8, 2680116), (12, 1786744), (16, 1340058), (24, 893372), (32, 670029), (48, 446686), (96, 223343), (173, 123936), (346, 61968), (519, 41312), (692, 30984), (1038, 20656), (1291, 16608), (1384, 15492), (2076, 10328), (2582, 8304), (2768, 7746), (3873, 5536), (4152, 5164)]