21097638

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20563}}^1$

素因数の和:20593

約数の個数: 32

約数和(自身を含む): 49353600

約数和(自身を除く): 28255962

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20563, 41126, 61689, 123378, 185067, 370134, 390697, 555201, 781394, 1110402, 1172091, 2344182, 3516273, 7032546, 10548819, 21097638]

約数ペア:

[(1, 21097638), (2, 10548819), (3, 7032546), (6, 3516273), (9, 2344182), (18, 1172091), (19, 1110402), (27, 781394), (38, 555201), (54, 390697), (57, 370134), (114, 185067), (171, 123378), (342, 61689), (513, 41126), (1026, 20563)]