21378534

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{187531}}^1$

素因数の和:187555

約数の個数: 16

約数和(自身を含む): 45007680

約数和(自身を除く): 23629146

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 187531, 375062, 562593, 1125186, 3563089, 7126178, 10689267, 21378534]

約数ペア:

[(1, 21378534), (2, 10689267), (3, 7126178), (6, 3563089), (19, 1125186), (38, 562593), (57, 375062), (114, 187531)]