21634654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6397}}^1$

素因数の和:6507

約数の個数: 16

約数和(自身を含む): 34549200

約数和(自身を除く): 12914546

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6397, 12794, 121543, 243086, 569333, 1138666, 10817327, 21634654]

約数ペア:

[(1, 21634654), (2, 10817327), (19, 1138666), (38, 569333), (89, 243086), (178, 121543), (1691, 12794), (3382, 6397)]