21272988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161159}}^1$

素因数の和:161177

約数の個数: 24

約数和(自身を含む): 54149760

約数和(自身を除く): 32876772

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161159, 322318, 483477, 644636, 966954, 1772749, 1933908, 3545498, 5318247, 7090996, 10636494, 21272988]

約数ペア:

[(1, 21272988), (2, 10636494), (3, 7090996), (4, 5318247), (6, 3545498), (11, 1933908), (12, 1772749), (22, 966954), (33, 644636), (44, 483477), (66, 322318), (132, 161159)]